Home / 67,505.18-101,257.78-52,691.90

Finding the Fourth Proportional to 67,505.18, 101,257.78 and 52,691.90

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Solution

The fourth proportional to 67,505.18, 101,257.78 and 52,691.90 is: 79,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,505.18 : 101,257.78 = 52,691.90 : x
  2. Step 2: Convert to fraction form
    67,505.18/101,257.78 = 52,691.90/x
  3. Step 3: Cross multiply
    67,505.18x = 101,257.78 × 52,691.90
  4. Step 4: Simplify right side
    67,505.18x = 5,335,464,817.98
  5. Step 5: Solve for x
    x = 5,335,464,817.98/67,505.18
  6. Step 6: Final answer
    x = 79,037.86

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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.