Home / 98,107.88-147,183.75-35,778.38

Finding the Fourth Proportional to 98,107.88, 147,183.75 and 35,778.38

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Solution

The fourth proportional to 98,107.88, 147,183.75 and 35,778.38 is: 53,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,107.88 : 147,183.75 = 35,778.38 : x
  2. Step 2: Convert to fraction form
    98,107.88/147,183.75 = 35,778.38/x
  3. Step 3: Cross multiply
    98,107.88x = 147,183.75 × 35,778.38
  4. Step 4: Simplify right side
    98,107.88x = 5,265,995,401.41
  5. Step 5: Solve for x
    x = 5,265,995,401.41/98,107.88
  6. Step 6: Final answer
    x = 53,675.56

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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.