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Finding the Fourth Proportional to 63,908.10, 95,862.15 and 45,245.70

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Solution

The fourth proportional to 63,908.10, 95,862.15 and 45,245.70 is: 67,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908.10 : 95,862.15 = 45,245.70 : x
  2. Step 2: Convert to fraction form
    63,908.10/95,862.15 = 45,245.70/x
  3. Step 3: Cross multiply
    63,908.10x = 95,862.15 × 45,245.70
  4. Step 4: Simplify right side
    63,908.10x = 4,337,350,080.26
  5. Step 5: Solve for x
    x = 4,337,350,080.26/63,908.10
  6. Step 6: Final answer
    x = 67,868.55

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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.