Home / 82,480.68-123,733.20-29,877.90

Finding the Fourth Proportional to 82,480.68, 123,733.20 and 29,877.90

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Solution

The fourth proportional to 82,480.68, 123,733.20 and 29,877.90 is: 44,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,480.68 : 123,733.20 = 29,877.90 : x
  2. Step 2: Convert to fraction form
    82,480.68/123,733.20 = 29,877.90/x
  3. Step 3: Cross multiply
    82,480.68x = 123,733.20 × 29,877.90
  4. Step 4: Simplify right side
    82,480.68x = 3,696,888,176.28
  5. Step 5: Solve for x
    x = 3,696,888,176.28/82,480.68
  6. Step 6: Final answer
    x = 44,821.26

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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.