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Finding the Fourth Proportional to 63,825.80, 95,738.70 and 44,142.80

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Solution

The fourth proportional to 63,825.80, 95,738.70 and 44,142.80 is: 66,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,825.80 : 95,738.70 = 44,142.80 : x
  2. Step 2: Convert to fraction form
    63,825.80/95,738.70 = 44,142.80/x
  3. Step 3: Cross multiply
    63,825.80x = 95,738.70 × 44,142.80
  4. Step 4: Simplify right side
    63,825.80x = 4,226,174,286.36
  5. Step 5: Solve for x
    x = 4,226,174,286.36/63,825.80
  6. Step 6: Final answer
    x = 66,214.20

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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.