Home / 71,311.62-98,420.31-41,091.15

Finding the Fourth Proportional to 71,311.62, 98,420.31 and 41,091.15

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Solution

The fourth proportional to 71,311.62, 98,420.31 and 41,091.15 is: 56,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.62 : 98,420.31 = 41,091.15 : x
  2. Step 2: Convert to fraction form
    71,311.62/98,420.31 = 41,091.15/x
  3. Step 3: Cross multiply
    71,311.62x = 98,420.31 × 41,091.15
  4. Step 4: Simplify right side
    71,311.62x = 4,044,203,721.26
  5. Step 5: Solve for x
    x = 4,044,203,721.26/71,311.62
  6. Step 6: Final answer
    x = 56,711.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.