Home / 87,832.20-131,769.29-28,667.97

Finding the Fourth Proportional to 87,832.20, 131,769.29 and 28,667.97

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Solution

The fourth proportional to 87,832.20, 131,769.29 and 28,667.97 is: 43,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.20 : 131,769.29 = 28,667.97 : x
  2. Step 2: Convert to fraction form
    87,832.20/131,769.29 = 28,667.97/x
  3. Step 3: Cross multiply
    87,832.20x = 131,769.29 × 28,667.97
  4. Step 4: Simplify right side
    87,832.20x = 3,777,558,052.64
  5. Step 5: Solve for x
    x = 3,777,558,052.64/87,832.20
  6. Step 6: Final answer
    x = 43,008.81

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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.