Home / 87,451.44-131,120.64-47,997.96

Finding the Fourth Proportional to 87,451.44, 131,120.64 and 47,997.96

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Solution

The fourth proportional to 87,451.44, 131,120.64 and 47,997.96 is: 71,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.44 : 131,120.64 = 47,997.96 : x
  2. Step 2: Convert to fraction form
    87,451.44/131,120.64 = 47,997.96/x
  3. Step 3: Cross multiply
    87,451.44x = 131,120.64 × 47,997.96
  4. Step 4: Simplify right side
    87,451.44x = 6,293,523,233.89
  5. Step 5: Solve for x
    x = 6,293,523,233.89/87,451.44
  6. Step 6: Final answer
    x = 71,965.92

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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.