Home / 80,425.18-120,609.78-33,026.80

Finding the Fourth Proportional to 80,425.18, 120,609.78 and 33,026.80

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Solution

The fourth proportional to 80,425.18, 120,609.78 and 33,026.80 is: 49,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,425.18 : 120,609.78 = 33,026.80 : x
  2. Step 2: Convert to fraction form
    80,425.18/120,609.78 = 33,026.80/x
  3. Step 3: Cross multiply
    80,425.18x = 120,609.78 × 33,026.80
  4. Step 4: Simplify right side
    80,425.18x = 3,983,355,082.10
  5. Step 5: Solve for x
    x = 3,983,355,082.10/80,425.18
  6. Step 6: Final answer
    x = 49,528.71

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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.