Home / 98,028.85-147,091.92-38,863.21

Finding the Fourth Proportional to 98,028.85, 147,091.92 and 38,863.21

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Solution

The fourth proportional to 98,028.85, 147,091.92 and 38,863.21 is: 58,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,028.85 : 147,091.92 = 38,863.21 : x
  2. Step 2: Convert to fraction form
    98,028.85/147,091.92 = 38,863.21/x
  3. Step 3: Cross multiply
    98,028.85x = 147,091.92 × 38,863.21
  4. Step 4: Simplify right side
    98,028.85x = 5,716,464,176.26
  5. Step 5: Solve for x
    x = 5,716,464,176.26/98,028.85
  6. Step 6: Final answer
    x = 58,314.10

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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.