Home / 83,309.38-124,901.60-27,115.90

Finding the Fourth Proportional to 83,309.38, 124,901.60 and 27,115.90

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Solution

The fourth proportional to 83,309.38, 124,901.60 and 27,115.90 is: 40,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,309.38 : 124,901.60 = 27,115.90 : x
  2. Step 2: Convert to fraction form
    83,309.38/124,901.60 = 27,115.90/x
  3. Step 3: Cross multiply
    83,309.38x = 124,901.60 × 27,115.90
  4. Step 4: Simplify right side
    83,309.38x = 3,386,818,847.61
  5. Step 5: Solve for x
    x = 3,386,818,847.61/83,309.38
  6. Step 6: Final answer
    x = 40,653.51

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1.5x scale

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.