Home / 100,040.86-149,922.78-50,057.38

Finding the Fourth Proportional to 100,040.86, 149,922.78 and 50,057.38

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Solution

The fourth proportional to 100,040.86, 149,922.78 and 50,057.38 is: 75,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,040.86 : 149,922.78 = 50,057.38 : x
  2. Step 2: Convert to fraction form
    100,040.86/149,922.78 = 50,057.38/x
  3. Step 3: Cross multiply
    100,040.86x = 149,922.78 × 50,057.38
  4. Step 4: Simplify right side
    100,040.86x = 7,504,741,569.12
  5. Step 5: Solve for x
    x = 7,504,741,569.12/100,040.86
  6. Step 6: Final answer
    x = 75,016.76

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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.