Home / 71,979.17-108,001.56-36,943.43

Finding the Fourth Proportional to 71,979.17, 108,001.56 and 36,943.43

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Solution

The fourth proportional to 71,979.17, 108,001.56 and 36,943.43 is: 55,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,979.17 : 108,001.56 = 36,943.43 : x
  2. Step 2: Convert to fraction form
    71,979.17/108,001.56 = 36,943.43/x
  3. Step 3: Cross multiply
    71,979.17x = 108,001.56 × 36,943.43
  4. Step 4: Simplify right side
    71,979.17x = 3,989,948,071.75
  5. Step 5: Solve for x
    x = 3,989,948,071.75/71,979.17
  6. Step 6: Final answer
    x = 55,431.98

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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.