Home / 80,449.05-120,691.51-26,416.14

Finding the Fourth Proportional to 80,449.05, 120,691.51 and 26,416.14

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Solution

The fourth proportional to 80,449.05, 120,691.51 and 26,416.14 is: 39,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,449.05 : 120,691.51 = 26,416.14 : x
  2. Step 2: Convert to fraction form
    80,449.05/120,691.51 = 26,416.14/x
  3. Step 3: Cross multiply
    80,449.05x = 120,691.51 × 26,416.14
  4. Step 4: Simplify right side
    80,449.05x = 3,188,203,891.01
  5. Step 5: Solve for x
    x = 3,188,203,891.01/80,449.05
  6. Step 6: Final answer
    x = 39,630.10

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1.5x scale

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.