Home / 71,728.52-107,553.28-29,599.02

Finding the Fourth Proportional to 71,728.52, 107,553.28 and 29,599.02

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Solution

The fourth proportional to 71,728.52, 107,553.28 and 29,599.02 is: 44,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,728.52 : 107,553.28 = 29,599.02 : x
  2. Step 2: Convert to fraction form
    71,728.52/107,553.28 = 29,599.02/x
  3. Step 3: Cross multiply
    71,728.52x = 107,553.28 × 29,599.02
  4. Step 4: Simplify right side
    71,728.52x = 3,183,471,685.79
  5. Step 5: Solve for x
    x = 3,183,471,685.79/71,728.52
  6. Step 6: Final answer
    x = 44,382.23

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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.