Home / 71,823.85-107,735.82-34,375.12

Finding the Fourth Proportional to 71,823.85, 107,735.82 and 34,375.12

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Solution

The fourth proportional to 71,823.85, 107,735.82 and 34,375.12 is: 51,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,823.85 : 107,735.82 = 34,375.12 : x
  2. Step 2: Convert to fraction form
    71,823.85/107,735.82 = 34,375.12/x
  3. Step 3: Cross multiply
    71,823.85x = 107,735.82 × 34,375.12
  4. Step 4: Simplify right side
    71,823.85x = 3,703,431,740.80
  5. Step 5: Solve for x
    x = 3,703,431,740.80/71,823.85
  6. Step 6: Final answer
    x = 51,562.70

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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.