Home / 80,620.05-120,944.63-33,209.27

Finding the Fourth Proportional to 80,620.05, 120,944.63 and 33,209.27

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Solution

The fourth proportional to 80,620.05, 120,944.63 and 33,209.27 is: 49,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,620.05 : 120,944.63 = 33,209.27 : x
  2. Step 2: Convert to fraction form
    80,620.05/120,944.63 = 33,209.27/x
  3. Step 3: Cross multiply
    80,620.05x = 120,944.63 × 33,209.27
  4. Step 4: Simplify right side
    80,620.05x = 4,016,482,804.56
  5. Step 5: Solve for x
    x = 4,016,482,804.56/80,620.05
  6. Step 6: Final answer
    x = 49,819.90

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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.