Home / 71,378.10-107,067.15-44,997.30

Finding the Fourth Proportional to 71,378.10, 107,067.15 and 44,997.30

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Solution

The fourth proportional to 71,378.10, 107,067.15 and 44,997.30 is: 67,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,378.10 : 107,067.15 = 44,997.30 : x
  2. Step 2: Convert to fraction form
    71,378.10/107,067.15 = 44,997.30/x
  3. Step 3: Cross multiply
    71,378.10x = 107,067.15 × 44,997.30
  4. Step 4: Simplify right side
    71,378.10x = 4,817,732,668.70
  5. Step 5: Solve for x
    x = 4,817,732,668.70/71,378.10
  6. Step 6: Final answer
    x = 67,495.95

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Similar ratio
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1.5x scale

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.