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Finding the Fourth Proportional to 79,449.59, 119,175.38 and 23,290.82

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Solution

The fourth proportional to 79,449.59, 119,175.38 and 23,290.82 is: 34,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,449.59 : 119,175.38 = 23,290.82 : x
  2. Step 2: Convert to fraction form
    79,449.59/119,175.38 = 23,290.82/x
  3. Step 3: Cross multiply
    79,449.59x = 119,175.38 × 23,290.82
  4. Step 4: Simplify right side
    79,449.59x = 2,775,692,472.98
  5. Step 5: Solve for x
    x = 2,775,692,472.98/79,449.59
  6. Step 6: Final answer
    x = 34,936.53

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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.