Home / 71,966.10-107,949.15-54,470.10

Finding the Fourth Proportional to 71,966.10, 107,949.15 and 54,470.10

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Solution

The fourth proportional to 71,966.10, 107,949.15 and 54,470.10 is: 81,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.10 : 107,949.15 = 54,470.10 : x
  2. Step 2: Convert to fraction form
    71,966.10/107,949.15 = 54,470.10/x
  3. Step 3: Cross multiply
    71,966.10x = 107,949.15 × 54,470.10
  4. Step 4: Simplify right side
    71,966.10x = 5,880,000,995.42
  5. Step 5: Solve for x
    x = 5,880,000,995.42/71,966.10
  6. Step 6: Final answer
    x = 81,705.15

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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.