Home / 80,974.08-122,077.72-75,266.02

Finding the Fourth Proportional to 80,974.08, 122,077.72 and 75,266.02

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Solution

The fourth proportional to 80,974.08, 122,077.72 and 75,266.02 is: 113,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,974.08 : 122,077.72 = 75,266.02 : x
  2. Step 2: Convert to fraction form
    80,974.08/122,077.72 = 75,266.02/x
  3. Step 3: Cross multiply
    80,974.08x = 122,077.72 × 75,266.02
  4. Step 4: Simplify right side
    80,974.08x = 9,188,304,115.07
  5. Step 5: Solve for x
    x = 9,188,304,115.07/80,974.08
  6. Step 6: Final answer
    x = 113,472.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.