Home / 87,546.27-131,360.40-43,148.79

Finding the Fourth Proportional to 87,546.27, 131,360.40 and 43,148.79

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Solution

The fourth proportional to 87,546.27, 131,360.40 and 43,148.79 is: 64,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546.27 : 131,360.40 = 43,148.79 : x
  2. Step 2: Convert to fraction form
    87,546.27/131,360.40 = 43,148.79/x
  3. Step 3: Cross multiply
    87,546.27x = 131,360.40 × 43,148.79
  4. Step 4: Simplify right side
    87,546.27x = 5,668,042,313.92
  5. Step 5: Solve for x
    x = 5,668,042,313.92/87,546.27
  6. Step 6: Final answer
    x = 64,743.39

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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.