Home / 83,115.92-124,691.39-26,951.65

Finding the Fourth Proportional to 83,115.92, 124,691.39 and 26,951.65

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Solution

The fourth proportional to 83,115.92, 124,691.39 and 26,951.65 is: 40,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,115.92 : 124,691.39 = 26,951.65 : x
  2. Step 2: Convert to fraction form
    83,115.92/124,691.39 = 26,951.65/x
  3. Step 3: Cross multiply
    83,115.92x = 124,691.39 × 26,951.65
  4. Step 4: Simplify right side
    83,115.92x = 3,360,638,355.88
  5. Step 5: Solve for x
    x = 3,360,638,355.88/83,115.92
  6. Step 6: Final answer
    x = 40,433.15

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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.