Home / 80,049.44-120,087.36-33,305.60

Finding the Fourth Proportional to 80,049.44, 120,087.36 and 33,305.60

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Solution

The fourth proportional to 80,049.44, 120,087.36 and 33,305.60 is: 49,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,049.44 : 120,087.36 = 33,305.60 : x
  2. Step 2: Convert to fraction form
    80,049.44/120,087.36 = 33,305.60/x
  3. Step 3: Cross multiply
    80,049.44x = 120,087.36 × 33,305.60
  4. Step 4: Simplify right side
    80,049.44x = 3,999,581,577.22
  5. Step 5: Solve for x
    x = 3,999,581,577.22/80,049.44
  6. Step 6: Final answer
    x = 49,963.89

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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.