Home / 80,983.11-111,755.93-44,684.89

Finding the Fourth Proportional to 80,983.11, 111,755.93 and 44,684.89

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Solution

The fourth proportional to 80,983.11, 111,755.93 and 44,684.89 is: 61,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,983.11 : 111,755.93 = 44,684.89 : x
  2. Step 2: Convert to fraction form
    80,983.11/111,755.93 = 44,684.89/x
  3. Step 3: Cross multiply
    80,983.11x = 111,755.93 × 44,684.89
  4. Step 4: Simplify right side
    80,983.11x = 4,993,801,438.90
  5. Step 5: Solve for x
    x = 4,993,801,438.90/80,983.11
  6. Step 6: Final answer
    x = 61,664.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.