Home / 80,626.62-120,475.50-61,546.26

Finding the Fourth Proportional to 80,626.62, 120,475.50 and 61,546.26

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Solution

The fourth proportional to 80,626.62, 120,475.50 and 61,546.26 is: 91,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626.62 : 120,475.50 = 61,546.26 : x
  2. Step 2: Convert to fraction form
    80,626.62/120,475.50 = 61,546.26/x
  3. Step 3: Cross multiply
    80,626.62x = 120,475.50 × 61,546.26
  4. Step 4: Simplify right side
    80,626.62x = 7,414,816,446.63
  5. Step 5: Solve for x
    x = 7,414,816,446.63/80,626.62
  6. Step 6: Final answer
    x = 91,964.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.