Home / 87,484.38-131,290.32-34,908.90

Finding the Fourth Proportional to 87,484.38, 131,290.32 and 34,908.90

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Solution

The fourth proportional to 87,484.38, 131,290.32 and 34,908.90 is: 52,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,484.38 : 131,290.32 = 34,908.90 : x
  2. Step 2: Convert to fraction form
    87,484.38/131,290.32 = 34,908.90/x
  3. Step 3: Cross multiply
    87,484.38x = 131,290.32 × 34,908.90
  4. Step 4: Simplify right side
    87,484.38x = 4,583,200,651.85
  5. Step 5: Solve for x
    x = 4,583,200,651.85/87,484.38
  6. Step 6: Final answer
    x = 52,388.79

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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.