Home / 91,260.57-125,938.26-50,974.91

Finding the Fourth Proportional to 91,260.57, 125,938.26 and 50,974.91

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Solution

The fourth proportional to 91,260.57, 125,938.26 and 50,974.91 is: 70,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,260.57 : 125,938.26 = 50,974.91 : x
  2. Step 2: Convert to fraction form
    91,260.57/125,938.26 = 50,974.91/x
  3. Step 3: Cross multiply
    91,260.57x = 125,938.26 × 50,974.91
  4. Step 4: Simplify right side
    91,260.57x = 6,419,691,469.06
  5. Step 5: Solve for x
    x = 6,419,691,469.06/91,260.57
  6. Step 6: Final answer
    x = 70,344.63

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1.5x scale

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.