Home / 68,550.60-102,833.20-21,792.54

Finding the Fourth Proportional to 68,550.60, 102,833.20 and 21,792.54

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Solution

The fourth proportional to 68,550.60, 102,833.20 and 21,792.54 is: 32,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,550.60 : 102,833.20 = 21,792.54 : x
  2. Step 2: Convert to fraction form
    68,550.60/102,833.20 = 21,792.54/x
  3. Step 3: Cross multiply
    68,550.60x = 102,833.20 × 21,792.54
  4. Step 4: Simplify right side
    68,550.60x = 2,240,996,624.33
  5. Step 5: Solve for x
    x = 2,240,996,624.33/68,550.60
  6. Step 6: Final answer
    x = 32,691.13

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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.