Home / 87,791.32-131,700.66-28,613.26

Finding the Fourth Proportional to 87,791.32, 131,700.66 and 28,613.26

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Solution

The fourth proportional to 87,791.32, 131,700.66 and 28,613.26 is: 42,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791.32 : 131,700.66 = 28,613.26 : x
  2. Step 2: Convert to fraction form
    87,791.32/131,700.66 = 28,613.26/x
  3. Step 3: Cross multiply
    87,791.32x = 131,700.66 × 28,613.26
  4. Step 4: Simplify right side
    87,791.32x = 3,768,385,226.75
  5. Step 5: Solve for x
    x = 3,768,385,226.75/87,791.32
  6. Step 6: Final answer
    x = 42,924.35

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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.