| ( | ( | 1371 10 | − | x | ) | ÷ | x | × | 100 100 | ) | = | 62 500 |
| ( | 1371 10 | − | x | ) | ÷ | x | × | 100 100 | = | 62 500 |
| 方程两边同时乘以: | x |
| ( | 1371 10 | − | x | ) | × | 100 100 | = | 62 500 | x |
1371 10 | × | 100 100 | − | x | × | 100 100 | = | 62 500 | x |
1371 10 | − | x | × | 100 100 | = | 62 500 | x |
| - | 100 100 | x | − | 62 500 | x | = | - | 1371 10 |
| - | 281 250 | x | = | - | 1371 10 |
1371 10 | = | 281 250 | x |
281 250 | x | = | 1371 10 |
| x | = | 1371 10 | ÷ | 281 250 |
| = | 1371 10 | × | 250 281 |
| = | 1371 | × | 25 281 |
| x | = | 34275 281 |
| x | = | 121.975089 |