Home / 80,358.39-120,514.34-27,044.49

Finding the Fourth Proportional to 80,358.39, 120,514.34 and 27,044.49

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Solution

The fourth proportional to 80,358.39, 120,514.34 and 27,044.49 is: 40,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,358.39 : 120,514.34 = 27,044.49 : x
  2. Step 2: Convert to fraction form
    80,358.39/120,514.34 = 27,044.49/x
  3. Step 3: Cross multiply
    80,358.39x = 120,514.34 × 27,044.49
  4. Step 4: Simplify right side
    80,358.39x = 3,259,248,862.99
  5. Step 5: Solve for x
    x = 3,259,248,862.99/80,358.39
  6. Step 6: Final answer
    x = 40,558.91

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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.