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Finding the Fourth Proportional to 63,997.86, 95,998.41 and 52,138.65

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Solution

The fourth proportional to 63,997.86, 95,998.41 and 52,138.65 is: 78,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,997.86 : 95,998.41 = 52,138.65 : x
  2. Step 2: Convert to fraction form
    63,997.86/95,998.41 = 52,138.65/x
  3. Step 3: Cross multiply
    63,997.86x = 95,998.41 × 52,138.65
  4. Step 4: Simplify right side
    63,997.86x = 5,005,227,499.55
  5. Step 5: Solve for x
    x = 5,005,227,499.55/63,997.86
  6. Step 6: Final answer
    x = 78,209.29

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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.