Home / 70,028.75-96,640.99-38,198.79

Finding the Fourth Proportional to 70,028.75, 96,640.99 and 38,198.79

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Solution

The fourth proportional to 70,028.75, 96,640.99 and 38,198.79 is: 52,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028.75 : 96,640.99 = 38,198.79 : x
  2. Step 2: Convert to fraction form
    70,028.75/96,640.99 = 38,198.79/x
  3. Step 3: Cross multiply
    70,028.75x = 96,640.99 × 38,198.79
  4. Step 4: Simplify right side
    70,028.75x = 3,691,568,882.40
  5. Step 5: Solve for x
    x = 3,691,568,882.40/70,028.75
  6. Step 6: Final answer
    x = 52,715.05

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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.