Home / 71,516.28-107,313.30-29,992.44

Finding the Fourth Proportional to 71,516.28, 107,313.30 and 29,992.44

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Solution

The fourth proportional to 71,516.28, 107,313.30 and 29,992.44 is: 45,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,516.28 : 107,313.30 = 29,992.44 : x
  2. Step 2: Convert to fraction form
    71,516.28/107,313.30 = 29,992.44/x
  3. Step 3: Cross multiply
    71,516.28x = 107,313.30 × 29,992.44
  4. Step 4: Simplify right side
    71,516.28x = 3,218,587,711.45
  5. Step 5: Solve for x
    x = 3,218,587,711.45/71,516.28
  6. Step 6: Final answer
    x = 45,004.97

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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.