Home / 91,375.26-137,061.45-29,044.86

Finding the Fourth Proportional to 91,375.26, 137,061.45 and 29,044.86

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Solution

The fourth proportional to 91,375.26, 137,061.45 and 29,044.86 is: 43,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,375.26 : 137,061.45 = 29,044.86 : x
  2. Step 2: Convert to fraction form
    91,375.26/137,061.45 = 29,044.86/x
  3. Step 3: Cross multiply
    91,375.26x = 137,061.45 × 29,044.86
  4. Step 4: Simplify right side
    91,375.26x = 3,980,930,626.65
  5. Step 5: Solve for x
    x = 3,980,930,626.65/91,375.26
  6. Step 6: Final answer
    x = 43,566.83

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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.