Home / 87,725.32-131,556.92-28,549.96

Finding the Fourth Proportional to 87,725.32, 131,556.92 and 28,549.96

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Solution

The fourth proportional to 87,725.32, 131,556.92 and 28,549.96 is: 42,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725.32 : 131,556.92 = 28,549.96 : x
  2. Step 2: Convert to fraction form
    87,725.32/131,556.92 = 28,549.96/x
  3. Step 3: Cross multiply
    87,725.32x = 131,556.92 × 28,549.96
  4. Step 4: Simplify right side
    87,725.32x = 3,755,944,803.72
  5. Step 5: Solve for x
    x = 3,755,944,803.72/87,725.32
  6. Step 6: Final answer
    x = 42,814.83

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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.