Home / 75,201.20-103,792.25-49,708.88

Finding the Fourth Proportional to 75,201.20, 103,792.25 and 49,708.88

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Solution

The fourth proportional to 75,201.20, 103,792.25 and 49,708.88 is: 68,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,201.20 : 103,792.25 = 49,708.88 : x
  2. Step 2: Convert to fraction form
    75,201.20/103,792.25 = 49,708.88/x
  3. Step 3: Cross multiply
    75,201.20x = 103,792.25 × 49,708.88
  4. Step 4: Simplify right side
    75,201.20x = 5,159,396,500.18
  5. Step 5: Solve for x
    x = 5,159,396,500.18/75,201.20
  6. Step 6: Final answer
    x = 68,607.90

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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.