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Finding the Fourth Proportional to 63,765.90, 95,648.85 and 40,418.70

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Solution

The fourth proportional to 63,765.90, 95,648.85 and 40,418.70 is: 60,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,765.90 : 95,648.85 = 40,418.70 : x
  2. Step 2: Convert to fraction form
    63,765.90/95,648.85 = 40,418.70/x
  3. Step 3: Cross multiply
    63,765.90x = 95,648.85 × 40,418.70
  4. Step 4: Simplify right side
    63,765.90x = 3,866,002,173.50
  5. Step 5: Solve for x
    x = 3,866,002,173.50/63,765.90
  6. Step 6: Final answer
    x = 60,628.05

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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.