Home / 57,711.38-86,573.94-54,562.10

Finding the Fourth Proportional to 57,711.38, 86,573.94 and 54,562.10

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Solution

The fourth proportional to 57,711.38, 86,573.94 and 54,562.10 is: 81,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,711.38 : 86,573.94 = 54,562.10 : x
  2. Step 2: Convert to fraction form
    57,711.38/86,573.94 = 54,562.10/x
  3. Step 3: Cross multiply
    57,711.38x = 86,573.94 × 54,562.10
  4. Step 4: Simplify right side
    57,711.38x = 4,723,655,538.80
  5. Step 5: Solve for x
    x = 4,723,655,538.80/57,711.38
  6. Step 6: Final answer
    x = 81,849.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.