Home / 71,976.13-107,964.20-36,893.41

Finding the Fourth Proportional to 71,976.13, 107,964.20 and 36,893.41

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Solution

The fourth proportional to 71,976.13, 107,964.20 and 36,893.41 is: 55,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,976.13 : 107,964.20 = 36,893.41 : x
  2. Step 2: Convert to fraction form
    71,976.13/107,964.20 = 36,893.41/x
  3. Step 3: Cross multiply
    71,976.13x = 107,964.20 × 36,893.41
  4. Step 4: Simplify right side
    71,976.13x = 3,983,167,318.25
  5. Step 5: Solve for x
    x = 3,983,167,318.25/71,976.13
  6. Step 6: Final answer
    x = 55,340.12

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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.