Home / 91,711.20-137,632.14-41,797.92

Finding the Fourth Proportional to 91,711.20, 137,632.14 and 41,797.92

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Solution

The fourth proportional to 91,711.20, 137,632.14 and 41,797.92 is: 62,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,711.20 : 137,632.14 = 41,797.92 : x
  2. Step 2: Convert to fraction form
    91,711.20/137,632.14 = 41,797.92/x
  3. Step 3: Cross multiply
    91,711.20x = 137,632.14 × 41,797.92
  4. Step 4: Simplify right side
    91,711.20x = 5,752,737,177.15
  5. Step 5: Solve for x
    x = 5,752,737,177.15/91,711.20
  6. Step 6: Final answer
    x = 62,726.66

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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.