Home / 80,191.44-120,286.62-62,676

Finding the Fourth Proportional to 80,191.44, 120,286.62 and 62,676

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Solution

The fourth proportional to 80,191.44, 120,286.62 and 62,676 is: 94,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,191.44 : 120,286.62 = 62,676 : x
  2. Step 2: Convert to fraction form
    80,191.44/120,286.62 = 62,676/x
  3. Step 3: Cross multiply
    80,191.44x = 120,286.62 × 62,676
  4. Step 4: Simplify right side
    80,191.44x = 7,539,084,195.12
  5. Step 5: Solve for x
    x = 7,539,084,195.12/80,191.44
  6. Step 6: Final answer
    x = 94,013.58

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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.