Home / 80,714.82-121,091.68-25,310.82

Finding the Fourth Proportional to 80,714.82, 121,091.68 and 25,310.82

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Solution

The fourth proportional to 80,714.82, 121,091.68 and 25,310.82 is: 37,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,714.82 : 121,091.68 = 25,310.82 : x
  2. Step 2: Convert to fraction form
    80,714.82/121,091.68 = 25,310.82/x
  3. Step 3: Cross multiply
    80,714.82x = 121,091.68 × 25,310.82
  4. Step 4: Simplify right side
    80,714.82x = 3,064,929,715.98
  5. Step 5: Solve for x
    x = 3,064,929,715.98/80,714.82
  6. Step 6: Final answer
    x = 37,972.33

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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.