Home / 82,447.28-123,505.07-62,490.90

Finding the Fourth Proportional to 82,447.28, 123,505.07 and 62,490.90

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Solution

The fourth proportional to 82,447.28, 123,505.07 and 62,490.90 is: 93,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447.28 : 123,505.07 = 62,490.90 : x
  2. Step 2: Convert to fraction form
    82,447.28/123,505.07 = 62,490.90/x
  3. Step 3: Cross multiply
    82,447.28x = 123,505.07 × 62,490.90
  4. Step 4: Simplify right side
    82,447.28x = 7,717,942,666.41
  5. Step 5: Solve for x
    x = 7,717,942,666.41/82,447.28
  6. Step 6: Final answer
    x = 93,610.65

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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.