Home / 71,935.08-107,902.46-19,344.61

Finding the Fourth Proportional to 71,935.08, 107,902.46 and 19,344.61

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Solution

The fourth proportional to 71,935.08, 107,902.46 and 19,344.61 is: 29,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.08 : 107,902.46 = 19,344.61 : x
  2. Step 2: Convert to fraction form
    71,935.08/107,902.46 = 19,344.61/x
  3. Step 3: Cross multiply
    71,935.08x = 107,902.46 × 19,344.61
  4. Step 4: Simplify right side
    71,935.08x = 2,087,331,493.46
  5. Step 5: Solve for x
    x = 2,087,331,493.46/71,935.08
  6. Step 6: Final answer
    x = 29,016.88

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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.