Home / 87,857.85-131,767.01-40,427.45

Finding the Fourth Proportional to 87,857.85, 131,767.01 and 40,427.45

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Solution

The fourth proportional to 87,857.85, 131,767.01 and 40,427.45 is: 60,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,857.85 : 131,767.01 = 40,427.45 : x
  2. Step 2: Convert to fraction form
    87,857.85/131,767.01 = 40,427.45/x
  3. Step 3: Cross multiply
    87,857.85x = 131,767.01 × 40,427.45
  4. Step 4: Simplify right side
    87,857.85x = 5,327,003,650.66
  5. Step 5: Solve for x
    x = 5,327,003,650.66/87,857.85
  6. Step 6: Final answer
    x = 60,632.07

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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.