Home / 71,516.46-107,287.38-29,419.68

Finding the Fourth Proportional to 71,516.46, 107,287.38 and 29,419.68

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Solution

The fourth proportional to 71,516.46, 107,287.38 and 29,419.68 is: 44,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,516.46 : 107,287.38 = 29,419.68 : x
  2. Step 2: Convert to fraction form
    71,516.46/107,287.38 = 29,419.68/x
  3. Step 3: Cross multiply
    71,516.46x = 107,287.38 × 29,419.68
  4. Step 4: Simplify right side
    71,516.46x = 3,156,360,387.64
  5. Step 5: Solve for x
    x = 3,156,360,387.64/71,516.46
  6. Step 6: Final answer
    x = 44,134.74

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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.