Home / 103,845.38-155,783.10-32,743.88

Finding the Fourth Proportional to 103,845.38, 155,783.10 and 32,743.88

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Solution

The fourth proportional to 103,845.38, 155,783.10 and 32,743.88 is: 49,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.38 : 155,783.10 = 32,743.88 : x
  2. Step 2: Convert to fraction form
    103,845.38/155,783.10 = 32,743.88/x
  3. Step 3: Cross multiply
    103,845.38x = 155,783.10 × 32,743.88
  4. Step 4: Simplify right side
    103,845.38x = 5,100,942,876.30
  5. Step 5: Solve for x
    x = 5,100,942,876.30/103,845.38
  6. Step 6: Final answer
    x = 49,120.56

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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.