Home / 80,253.72-120,336.84-33,471.36

Finding the Fourth Proportional to 80,253.72, 120,336.84 and 33,471.36

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Solution

The fourth proportional to 80,253.72, 120,336.84 and 33,471.36 is: 50,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,253.72 : 120,336.84 = 33,471.36 : x
  2. Step 2: Convert to fraction form
    80,253.72/120,336.84 = 33,471.36/x
  3. Step 3: Cross multiply
    80,253.72x = 120,336.84 × 33,471.36
  4. Step 4: Simplify right side
    80,253.72x = 4,027,837,692.90
  5. Step 5: Solve for x
    x = 4,027,837,692.90/80,253.72
  6. Step 6: Final answer
    x = 50,188.80

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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.