Home / 80,442.11-120,664.07-24,282.75

Finding the Fourth Proportional to 80,442.11, 120,664.07 and 24,282.75

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Solution

The fourth proportional to 80,442.11, 120,664.07 and 24,282.75 is: 36,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,442.11 : 120,664.07 = 24,282.75 : x
  2. Step 2: Convert to fraction form
    80,442.11/120,664.07 = 24,282.75/x
  3. Step 3: Cross multiply
    80,442.11x = 120,664.07 × 24,282.75
  4. Step 4: Simplify right side
    80,442.11x = 2,930,055,324.38
  5. Step 5: Solve for x
    x = 2,930,055,324.38/80,442.11
  6. Step 6: Final answer
    x = 36,424.40

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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.