Home / 103,680.20-155,481.24-33,540.68

Finding the Fourth Proportional to 103,680.20, 155,481.24 and 33,540.68

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Solution

The fourth proportional to 103,680.20, 155,481.24 and 33,540.68 is: 50,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.20 : 155,481.24 = 33,540.68 : x
  2. Step 2: Convert to fraction form
    103,680.20/155,481.24 = 33,540.68/x
  3. Step 3: Cross multiply
    103,680.20x = 155,481.24 × 33,540.68
  4. Step 4: Simplify right side
    103,680.20x = 5,214,946,516.84
  5. Step 5: Solve for x
    x = 5,214,946,516.84/103,680.20
  6. Step 6: Final answer
    x = 50,298.38

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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.