Home / 80,791.46-121,211.94-41,376.26

Finding the Fourth Proportional to 80,791.46, 121,211.94 and 41,376.26

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Solution

The fourth proportional to 80,791.46, 121,211.94 and 41,376.26 is: 62,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,791.46 : 121,211.94 = 41,376.26 : x
  2. Step 2: Convert to fraction form
    80,791.46/121,211.94 = 41,376.26/x
  3. Step 3: Cross multiply
    80,791.46x = 121,211.94 × 41,376.26
  4. Step 4: Simplify right side
    80,791.46x = 5,015,296,744.54
  5. Step 5: Solve for x
    x = 5,015,296,744.54/80,791.46
  6. Step 6: Final answer
    x = 62,077.07

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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.