Home / 80,514.19-120,786.62-32,486.61

Finding the Fourth Proportional to 80,514.19, 120,786.62 and 32,486.61

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Solution

The fourth proportional to 80,514.19, 120,786.62 and 32,486.61 is: 48,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,514.19 : 120,786.62 = 32,486.61 : x
  2. Step 2: Convert to fraction form
    80,514.19/120,786.62 = 32,486.61/x
  3. Step 3: Cross multiply
    80,514.19x = 120,786.62 × 32,486.61
  4. Step 4: Simplify right side
    80,514.19x = 3,923,947,817.16
  5. Step 5: Solve for x
    x = 3,923,947,817.16/80,514.19
  6. Step 6: Final answer
    x = 48,736.10

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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.