Home / 80,035.56-120,031.20-33,278.04

Finding the Fourth Proportional to 80,035.56, 120,031.20 and 33,278.04

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Solution

The fourth proportional to 80,035.56, 120,031.20 and 33,278.04 is: 49,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,035.56 : 120,031.20 = 33,278.04 : x
  2. Step 2: Convert to fraction form
    80,035.56/120,031.20 = 33,278.04/x
  3. Step 3: Cross multiply
    80,035.56x = 120,031.20 × 33,278.04
  4. Step 4: Simplify right side
    80,035.56x = 3,994,403,074.85
  5. Step 5: Solve for x
    x = 3,994,403,074.85/80,035.56
  6. Step 6: Final answer
    x = 49,907.85

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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.