Home / 87,859.48-131,769.46-40,429.07

Finding the Fourth Proportional to 87,859.48, 131,769.46 and 40,429.07

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Solution

The fourth proportional to 87,859.48, 131,769.46 and 40,429.07 is: 60,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,859.48 : 131,769.46 = 40,429.07 : x
  2. Step 2: Convert to fraction form
    87,859.48/131,769.46 = 40,429.07/x
  3. Step 3: Cross multiply
    87,859.48x = 131,769.46 × 40,429.07
  4. Step 4: Simplify right side
    87,859.48x = 5,327,316,722.20
  5. Step 5: Solve for x
    x = 5,327,316,722.20/87,859.48
  6. Step 6: Final answer
    x = 60,634.51

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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.