Home / 71,540.61-107,313.20-35,982.52

Finding the Fourth Proportional to 71,540.61, 107,313.20 and 35,982.52

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Solution

The fourth proportional to 71,540.61, 107,313.20 and 35,982.52 is: 53,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,540.61 : 107,313.20 = 35,982.52 : x
  2. Step 2: Convert to fraction form
    71,540.61/107,313.20 = 35,982.52/x
  3. Step 3: Cross multiply
    71,540.61x = 107,313.20 × 35,982.52
  4. Step 4: Simplify right side
    71,540.61x = 3,861,398,648.79
  5. Step 5: Solve for x
    x = 3,861,398,648.79/71,540.61
  6. Step 6: Final answer
    x = 53,974.92

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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.