Home / 80,711.91-121,092.57-41,297.04

Finding the Fourth Proportional to 80,711.91, 121,092.57 and 41,297.04

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Solution

The fourth proportional to 80,711.91, 121,092.57 and 41,297.04 is: 61,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,711.91 : 121,092.57 = 41,297.04 : x
  2. Step 2: Convert to fraction form
    80,711.91/121,092.57 = 41,297.04/x
  3. Step 3: Cross multiply
    80,711.91x = 121,092.57 × 41,297.04
  4. Step 4: Simplify right side
    80,711.91x = 5,000,764,706.99
  5. Step 5: Solve for x
    x = 5,000,764,706.99/80,711.91
  6. Step 6: Final answer
    x = 61,958.20

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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.