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Finding the Fourth Proportional to 79,801.72, 119,657.22 and 33,029.08

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Solution

The fourth proportional to 79,801.72, 119,657.22 and 33,029.08 is: 49,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.72 : 119,657.22 = 33,029.08 : x
  2. Step 2: Convert to fraction form
    79,801.72/119,657.22 = 33,029.08/x
  3. Step 3: Cross multiply
    79,801.72x = 119,657.22 × 33,029.08
  4. Step 4: Simplify right side
    79,801.72x = 3,952,167,891.96
  5. Step 5: Solve for x
    x = 3,952,167,891.96/79,801.72
  6. Step 6: Final answer
    x = 49,524.85

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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.