Home / 71,549.38-107,342.20-50,530.49

Finding the Fourth Proportional to 71,549.38, 107,342.20 and 50,530.49

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Solution

The fourth proportional to 71,549.38, 107,342.20 and 50,530.49 is: 75,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,549.38 : 107,342.20 = 50,530.49 : x
  2. Step 2: Convert to fraction form
    71,549.38/107,342.20 = 50,530.49/x
  3. Step 3: Cross multiply
    71,549.38x = 107,342.20 × 50,530.49
  4. Step 4: Simplify right side
    71,549.38x = 5,424,053,442.67
  5. Step 5: Solve for x
    x = 5,424,053,442.67/71,549.38
  6. Step 6: Final answer
    x = 75,808.53

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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.