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Finding the Fourth Proportional to 79,086, 118,629 and 23,682

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Solution

The fourth proportional to 79,086, 118,629 and 23,682 is: 35,523

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,086 : 118,629 = 23,682 : x
  2. Step 2: Convert to fraction form
    79,086/118,629 = 23,682/x
  3. Step 3: Cross multiply
    79,086x = 118,629 × 23,682
  4. Step 4: Simplify right side
    79,086x = 2,809,371,978
  5. Step 5: Solve for x
    x = 2,809,371,978/79,086
  6. Step 6: Final answer
    x = 35,523

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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.