Home / 87,665.76-131,404.32-37,769.36

Finding the Fourth Proportional to 87,665.76, 131,404.32 and 37,769.36

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Solution

The fourth proportional to 87,665.76, 131,404.32 and 37,769.36 is: 56,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,665.76 : 131,404.32 = 37,769.36 : x
  2. Step 2: Convert to fraction form
    87,665.76/131,404.32 = 37,769.36/x
  3. Step 3: Cross multiply
    87,665.76x = 131,404.32 × 37,769.36
  4. Step 4: Simplify right side
    87,665.76x = 4,963,057,067.64
  5. Step 5: Solve for x
    x = 4,963,057,067.64/87,665.76
  6. Step 6: Final answer
    x = 56,613.40

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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.