Home / 83,439.38-125,166.75-27,279.78

Finding the Fourth Proportional to 83,439.38, 125,166.75 and 27,279.78

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Solution

The fourth proportional to 83,439.38, 125,166.75 and 27,279.78 is: 40,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.38 : 125,166.75 = 27,279.78 : x
  2. Step 2: Convert to fraction form
    83,439.38/125,166.75 = 27,279.78/x
  3. Step 3: Cross multiply
    83,439.38x = 125,166.75 × 27,279.78
  4. Step 4: Simplify right side
    83,439.38x = 3,414,521,403.32
  5. Step 5: Solve for x
    x = 3,414,521,403.32/83,439.38
  6. Step 6: Final answer
    x = 40,922.18

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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.