Home / 91,131.87-125,761.80-50,843.23

Finding the Fourth Proportional to 91,131.87, 125,761.80 and 50,843.23

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Solution

The fourth proportional to 91,131.87, 125,761.80 and 50,843.23 is: 70,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131.87 : 125,761.80 = 50,843.23 : x
  2. Step 2: Convert to fraction form
    91,131.87/125,761.80 = 50,843.23/x
  3. Step 3: Cross multiply
    91,131.87x = 125,761.80 × 50,843.23
  4. Step 4: Simplify right side
    91,131.87x = 6,394,136,122.61
  5. Step 5: Solve for x
    x = 6,394,136,122.61/91,131.87
  6. Step 6: Final answer
    x = 70,163.56

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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.