Home / 67,729.52-101,778.24-36,161.66

Finding the Fourth Proportional to 67,729.52, 101,778.24 and 36,161.66

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Solution

The fourth proportional to 67,729.52, 101,778.24 and 36,161.66 is: 54,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.52 : 101,778.24 = 36,161.66 : x
  2. Step 2: Convert to fraction form
    67,729.52/101,778.24 = 36,161.66/x
  3. Step 3: Cross multiply
    67,729.52x = 101,778.24 × 36,161.66
  4. Step 4: Simplify right side
    67,729.52x = 3,680,470,110.28
  5. Step 5: Solve for x
    x = 3,680,470,110.28/67,729.52
  6. Step 6: Final answer
    x = 54,340.71

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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.