Home / 71,408.08-107,178.56-36,373.96

Finding the Fourth Proportional to 71,408.08, 107,178.56 and 36,373.96

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Solution

The fourth proportional to 71,408.08, 107,178.56 and 36,373.96 is: 54,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,408.08 : 107,178.56 = 36,373.96 : x
  2. Step 2: Convert to fraction form
    71,408.08/107,178.56 = 36,373.96/x
  3. Step 3: Cross multiply
    71,408.08x = 107,178.56 × 36,373.96
  4. Step 4: Simplify right side
    71,408.08x = 3,898,508,654.30
  5. Step 5: Solve for x
    x = 3,898,508,654.30/71,408.08
  6. Step 6: Final answer
    x = 54,594.78

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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.