Home / 87,747.71-131,348.59-47,666.48

Finding the Fourth Proportional to 87,747.71, 131,348.59 and 47,666.48

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Solution

The fourth proportional to 87,747.71, 131,348.59 and 47,666.48 is: 71,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,747.71 : 131,348.59 = 47,666.48 : x
  2. Step 2: Convert to fraction form
    87,747.71/131,348.59 = 47,666.48/x
  3. Step 3: Cross multiply
    87,747.71x = 131,348.59 × 47,666.48
  4. Step 4: Simplify right side
    87,747.71x = 6,260,924,162.35
  5. Step 5: Solve for x
    x = 6,260,924,162.35/87,747.71
  6. Step 6: Final answer
    x = 71,351.43

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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.