Home / 100,861.40-151,292.07-33,375.31

Finding the Fourth Proportional to 100,861.40, 151,292.07 and 33,375.31

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Solution

The fourth proportional to 100,861.40, 151,292.07 and 33,375.31 is: 50,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.40 : 151,292.07 = 33,375.31 : x
  2. Step 2: Convert to fraction form
    100,861.40/151,292.07 = 33,375.31/x
  3. Step 3: Cross multiply
    100,861.40x = 151,292.07 × 33,375.31
  4. Step 4: Simplify right side
    100,861.40x = 5,049,419,358.56
  5. Step 5: Solve for x
    x = 5,049,419,358.56/100,861.40
  6. Step 6: Final answer
    x = 50,062.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.