Home / 91,791.04-137,569.92-50,189.44

Finding the Fourth Proportional to 91,791.04, 137,569.92 and 50,189.44

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Solution

The fourth proportional to 91,791.04, 137,569.92 and 50,189.44 is: 75,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,791.04 : 137,569.92 = 50,189.44 : x
  2. Step 2: Convert to fraction form
    91,791.04/137,569.92 = 50,189.44/x
  3. Step 3: Cross multiply
    91,791.04x = 137,569.92 × 50,189.44
  4. Step 4: Simplify right side
    91,791.04x = 6,904,557,245.64
  5. Step 5: Solve for x
    x = 6,904,557,245.64/91,791.04
  6. Step 6: Final answer
    x = 75,220.38

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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.