Home / 83,839.38-125,635.56-62,680.14

Finding the Fourth Proportional to 83,839.38, 125,635.56 and 62,680.14

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Solution

The fourth proportional to 83,839.38, 125,635.56 and 62,680.14 is: 93,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,839.38 : 125,635.56 = 62,680.14 : x
  2. Step 2: Convert to fraction form
    83,839.38/125,635.56 = 62,680.14/x
  3. Step 3: Cross multiply
    83,839.38x = 125,635.56 × 62,680.14
  4. Step 4: Simplify right side
    83,839.38x = 7,874,854,489.78
  5. Step 5: Solve for x
    x = 7,874,854,489.78/83,839.38
  6. Step 6: Final answer
    x = 93,927.87

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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.