Home / 67,171.10-100,508.11-40,532.54

Finding the Fourth Proportional to 67,171.10, 100,508.11 and 40,532.54

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Solution

The fourth proportional to 67,171.10, 100,508.11 and 40,532.54 is: 60,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,171.10 : 100,508.11 = 40,532.54 : x
  2. Step 2: Convert to fraction form
    67,171.10/100,508.11 = 40,532.54/x
  3. Step 3: Cross multiply
    67,171.10x = 100,508.11 × 40,532.54
  4. Step 4: Simplify right side
    67,171.10x = 4,073,848,385.03
  5. Step 5: Solve for x
    x = 4,073,848,385.03/67,171.10
  6. Step 6: Final answer
    x = 60,648.83

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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.