Home / 80,390.14-120,585.22-27,770.92

Finding the Fourth Proportional to 80,390.14, 120,585.22 and 27,770.92

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Solution

The fourth proportional to 80,390.14, 120,585.22 and 27,770.92 is: 41,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,390.14 : 120,585.22 = 27,770.92 : x
  2. Step 2: Convert to fraction form
    80,390.14/120,585.22 = 27,770.92/x
  3. Step 3: Cross multiply
    80,390.14x = 120,585.22 × 27,770.92
  4. Step 4: Simplify right side
    80,390.14x = 3,348,762,497.80
  5. Step 5: Solve for x
    x = 3,348,762,497.80/80,390.14
  6. Step 6: Final answer
    x = 41,656.38

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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.