Home / 102,553.73-141,531.26-57,240.56

Finding the Fourth Proportional to 102,553.73, 141,531.26 and 57,240.56

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Solution

The fourth proportional to 102,553.73, 141,531.26 and 57,240.56 is: 78,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,553.73 : 141,531.26 = 57,240.56 : x
  2. Step 2: Convert to fraction form
    102,553.73/141,531.26 = 57,240.56/x
  3. Step 3: Cross multiply
    102,553.73x = 141,531.26 × 57,240.56
  4. Step 4: Simplify right side
    102,553.73x = 8,101,327,586.05
  5. Step 5: Solve for x
    x = 8,101,327,586.05/102,553.73
  6. Step 6: Final answer
    x = 78,995.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.