Home / 71,997.26-108,071.97-40,434.29

Finding the Fourth Proportional to 71,997.26, 108,071.97 and 40,434.29

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Solution

The fourth proportional to 71,997.26, 108,071.97 and 40,434.29 is: 60,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,997.26 : 108,071.97 = 40,434.29 : x
  2. Step 2: Convert to fraction form
    71,997.26/108,071.97 = 40,434.29/x
  3. Step 3: Cross multiply
    71,997.26x = 108,071.97 × 40,434.29
  4. Step 4: Simplify right side
    71,997.26x = 4,369,813,316.58
  5. Step 5: Solve for x
    x = 4,369,813,316.58/71,997.26
  6. Step 6: Final answer
    x = 60,694.17

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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.