Home / 82,399.68-123,304.28-71,344.53

Finding the Fourth Proportional to 82,399.68, 123,304.28 and 71,344.53

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Solution

The fourth proportional to 82,399.68, 123,304.28 and 71,344.53 is: 106,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,399.68 : 123,304.28 = 71,344.53 : x
  2. Step 2: Convert to fraction form
    82,399.68/123,304.28 = 71,344.53/x
  3. Step 3: Cross multiply
    82,399.68x = 123,304.28 × 71,344.53
  4. Step 4: Simplify right side
    82,399.68x = 8,797,085,546.87
  5. Step 5: Solve for x
    x = 8,797,085,546.87/82,399.68
  6. Step 6: Final answer
    x = 106,761.16

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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.