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Finding the Fourth Proportional to 79,672.91, 119,513.34 and 22,755.26

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Solution

The fourth proportional to 79,672.91, 119,513.34 and 22,755.26 is: 34,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,672.91 : 119,513.34 = 22,755.26 : x
  2. Step 2: Convert to fraction form
    79,672.91/119,513.34 = 22,755.26/x
  3. Step 3: Cross multiply
    79,672.91x = 119,513.34 × 22,755.26
  4. Step 4: Simplify right side
    79,672.91x = 2,719,557,125.17
  5. Step 5: Solve for x
    x = 2,719,557,125.17/79,672.91
  6. Step 6: Final answer
    x = 34,134.03

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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.