Home / 83,964.60-126,044.10-50,722.20

Finding the Fourth Proportional to 83,964.60, 126,044.10 and 50,722.20

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Solution

The fourth proportional to 83,964.60, 126,044.10 and 50,722.20 is: 76,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,964.60 : 126,044.10 = 50,722.20 : x
  2. Step 2: Convert to fraction form
    83,964.60/126,044.10 = 50,722.20/x
  3. Step 3: Cross multiply
    83,964.60x = 126,044.10 × 50,722.20
  4. Step 4: Simplify right side
    83,964.60x = 6,393,234,049.02
  5. Step 5: Solve for x
    x = 6,393,234,049.02/83,964.60
  6. Step 6: Final answer
    x = 76,142.02

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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.