Home / 80,517.36-120,737.22-33,757.68

Finding the Fourth Proportional to 80,517.36, 120,737.22 and 33,757.68

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Solution

The fourth proportional to 80,517.36, 120,737.22 and 33,757.68 is: 50,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,517.36 : 120,737.22 = 33,757.68 : x
  2. Step 2: Convert to fraction form
    80,517.36/120,737.22 = 33,757.68/x
  3. Step 3: Cross multiply
    80,517.36x = 120,737.22 × 33,757.68
  4. Step 4: Simplify right side
    80,517.36x = 4,075,808,436.85
  5. Step 5: Solve for x
    x = 4,075,808,436.85/80,517.36
  6. Step 6: Final answer
    x = 50,620.24

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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.