Home / 80,356.34-120,536.19-27,049.92

Finding the Fourth Proportional to 80,356.34, 120,536.19 and 27,049.92

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Solution

The fourth proportional to 80,356.34, 120,536.19 and 27,049.92 is: 40,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,356.34 : 120,536.19 = 27,049.92 : x
  2. Step 2: Convert to fraction form
    80,356.34/120,536.19 = 27,049.92/x
  3. Step 3: Cross multiply
    80,356.34x = 120,536.19 × 27,049.92
  4. Step 4: Simplify right side
    80,356.34x = 3,260,494,296.60
  5. Step 5: Solve for x
    x = 3,260,494,296.60/80,356.34
  6. Step 6: Final answer
    x = 40,575.45

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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.