Home / 91,170.33-125,821.38-50,891.94

Finding the Fourth Proportional to 91,170.33, 125,821.38 and 50,891.94

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Solution

The fourth proportional to 91,170.33, 125,821.38 and 50,891.94 is: 70,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,170.33 : 125,821.38 = 50,891.94 : x
  2. Step 2: Convert to fraction form
    91,170.33/125,821.38 = 50,891.94/x
  3. Step 3: Cross multiply
    91,170.33x = 125,821.38 × 50,891.94
  4. Step 4: Simplify right side
    91,170.33x = 6,403,294,121.68
  5. Step 5: Solve for x
    x = 6,403,294,121.68/91,170.33
  6. Step 6: Final answer
    x = 70,234.41

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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.