Home / 71,708.42-107,562.49-34,154.60

Finding the Fourth Proportional to 71,708.42, 107,562.49 and 34,154.60

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Solution

The fourth proportional to 71,708.42, 107,562.49 and 34,154.60 is: 51,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,708.42 : 107,562.49 = 34,154.60 : x
  2. Step 2: Convert to fraction form
    71,708.42/107,562.49 = 34,154.60/x
  3. Step 3: Cross multiply
    71,708.42x = 107,562.49 × 34,154.60
  4. Step 4: Simplify right side
    71,708.42x = 3,673,753,197.76
  5. Step 5: Solve for x
    x = 3,673,753,197.76/71,708.42
  6. Step 6: Final answer
    x = 51,231.82

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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.