Home / 87,832.32-131,769.48-28,668.11

Finding the Fourth Proportional to 87,832.32, 131,769.48 and 28,668.11

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Solution

The fourth proportional to 87,832.32, 131,769.48 and 28,668.11 is: 43,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.32 : 131,769.48 = 28,668.11 : x
  2. Step 2: Convert to fraction form
    87,832.32/131,769.48 = 28,668.11/x
  3. Step 3: Cross multiply
    87,832.32x = 131,769.48 × 28,668.11
  4. Step 4: Simplify right side
    87,832.32x = 3,777,581,288.44
  5. Step 5: Solve for x
    x = 3,777,581,288.44/87,832.32
  6. Step 6: Final answer
    x = 43,009.01

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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.