Home / 80,550.07-120,778.81-33,197.85

Finding the Fourth Proportional to 80,550.07, 120,778.81 and 33,197.85

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Solution

The fourth proportional to 80,550.07, 120,778.81 and 33,197.85 is: 49,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.07 : 120,778.81 = 33,197.85 : x
  2. Step 2: Convert to fraction form
    80,550.07/120,778.81 = 33,197.85/x
  3. Step 3: Cross multiply
    80,550.07x = 120,778.81 × 33,197.85
  4. Step 4: Simplify right side
    80,550.07x = 4,009,596,734.56
  5. Step 5: Solve for x
    x = 4,009,596,734.56/80,550.07
  6. Step 6: Final answer
    x = 49,777.70

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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.