Home / 91,260.50-125,938.13-50,974.85

Finding the Fourth Proportional to 91,260.50, 125,938.13 and 50,974.85

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Solution

The fourth proportional to 91,260.50, 125,938.13 and 50,974.85 is: 70,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,260.50 : 125,938.13 = 50,974.85 : x
  2. Step 2: Convert to fraction form
    91,260.50/125,938.13 = 50,974.85/x
  3. Step 3: Cross multiply
    91,260.50x = 125,938.13 × 50,974.85
  4. Step 4: Simplify right side
    91,260.50x = 6,419,676,401.47
  5. Step 5: Solve for x
    x = 6,419,676,401.47/91,260.50
  6. Step 6: Final answer
    x = 70,344.53

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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.