Home / 87,791.04-131,569.92-50,369.04

Finding the Fourth Proportional to 87,791.04, 131,569.92 and 50,369.04

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Solution

The fourth proportional to 87,791.04, 131,569.92 and 50,369.04 is: 75,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791.04 : 131,569.92 = 50,369.04 : x
  2. Step 2: Convert to fraction form
    87,791.04/131,569.92 = 50,369.04/x
  3. Step 3: Cross multiply
    87,791.04x = 131,569.92 × 50,369.04
  4. Step 4: Simplify right side
    87,791.04x = 6,627,050,563.28
  5. Step 5: Solve for x
    x = 6,627,050,563.28/87,791.04
  6. Step 6: Final answer
    x = 75,486.64

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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.