Home / 91,266.39-125,939.41-50,974.56

Finding the Fourth Proportional to 91,266.39, 125,939.41 and 50,974.56

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Solution

The fourth proportional to 91,266.39, 125,939.41 and 50,974.56 is: 70,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,266.39 : 125,939.41 = 50,974.56 : x
  2. Step 2: Convert to fraction form
    91,266.39/125,939.41 = 50,974.56/x
  3. Step 3: Cross multiply
    91,266.39x = 125,939.41 × 50,974.56
  4. Step 4: Simplify right side
    91,266.39x = 6,419,705,883.97
  5. Step 5: Solve for x
    x = 6,419,705,883.97/91,266.39
  6. Step 6: Final answer
    x = 70,340.31

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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.