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Finding the Fourth Proportional to 63,173.78, 87,179.79 and 36,321.54

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Solution

The fourth proportional to 63,173.78, 87,179.79 and 36,321.54 is: 50,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.78 : 87,179.79 = 36,321.54 : x
  2. Step 2: Convert to fraction form
    63,173.78/87,179.79 = 36,321.54/x
  3. Step 3: Cross multiply
    63,173.78x = 87,179.79 × 36,321.54
  4. Step 4: Simplify right side
    63,173.78x = 3,166,504,229.68
  5. Step 5: Solve for x
    x = 3,166,504,229.68/63,173.78
  6. Step 6: Final answer
    x = 50,123.71

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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.