Home / 71,747.62-107,621.25-34,193.86

Finding the Fourth Proportional to 71,747.62, 107,621.25 and 34,193.86

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Solution

The fourth proportional to 71,747.62, 107,621.25 and 34,193.86 is: 51,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,747.62 : 107,621.25 = 34,193.86 : x
  2. Step 2: Convert to fraction form
    71,747.62/107,621.25 = 34,193.86/x
  3. Step 3: Cross multiply
    71,747.62x = 107,621.25 × 34,193.86
  4. Step 4: Simplify right side
    71,747.62x = 3,679,985,955.53
  5. Step 5: Solve for x
    x = 3,679,985,955.53/71,747.62
  6. Step 6: Final answer
    x = 51,290.70

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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.