Home / 80,385.16-120,550.02-32,986.95

Finding the Fourth Proportional to 80,385.16, 120,550.02 and 32,986.95

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Solution

The fourth proportional to 80,385.16, 120,550.02 and 32,986.95 is: 49,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,385.16 : 120,550.02 = 32,986.95 : x
  2. Step 2: Convert to fraction form
    80,385.16/120,550.02 = 32,986.95/x
  3. Step 3: Cross multiply
    80,385.16x = 120,550.02 × 32,986.95
  4. Step 4: Simplify right side
    80,385.16x = 3,976,577,092.03
  5. Step 5: Solve for x
    x = 3,976,577,092.03/80,385.16
  6. Step 6: Final answer
    x = 49,469.05

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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.