Home / 91,326.38-137,000.49-38,729.02

Finding the Fourth Proportional to 91,326.38, 137,000.49 and 38,729.02

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Solution

The fourth proportional to 91,326.38, 137,000.49 and 38,729.02 is: 58,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,326.38 : 137,000.49 = 38,729.02 : x
  2. Step 2: Convert to fraction form
    91,326.38/137,000.49 = 38,729.02/x
  3. Step 3: Cross multiply
    91,326.38x = 137,000.49 × 38,729.02
  4. Step 4: Simplify right side
    91,326.38x = 5,305,894,717.22
  5. Step 5: Solve for x
    x = 5,305,894,717.22/91,326.38
  6. Step 6: Final answer
    x = 58,098.16

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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.