Home / 82,439.28-123,644.58-38,062.26

Finding the Fourth Proportional to 82,439.28, 123,644.58 and 38,062.26

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Solution

The fourth proportional to 82,439.28, 123,644.58 and 38,062.26 is: 57,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,439.28 : 123,644.58 = 38,062.26 : x
  2. Step 2: Convert to fraction form
    82,439.28/123,644.58 = 38,062.26/x
  3. Step 3: Cross multiply
    82,439.28x = 123,644.58 × 38,062.26
  4. Step 4: Simplify right side
    82,439.28x = 4,706,192,151.55
  5. Step 5: Solve for x
    x = 4,706,192,151.55/82,439.28
  6. Step 6: Final answer
    x = 57,086.77

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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.