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Finding the Fourth Proportional to 63,630.20, 95,445.30 and 60,422.60

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Solution

The fourth proportional to 63,630.20, 95,445.30 and 60,422.60 is: 90,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,630.20 : 95,445.30 = 60,422.60 : x
  2. Step 2: Convert to fraction form
    63,630.20/95,445.30 = 60,422.60/x
  3. Step 3: Cross multiply
    63,630.20x = 95,445.30 × 60,422.60
  4. Step 4: Simplify right side
    63,630.20x = 5,767,053,183.78
  5. Step 5: Solve for x
    x = 5,767,053,183.78/63,630.20
  6. Step 6: Final answer
    x = 90,633.90

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1.5x scale

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.