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Finding the Fourth Proportional to 79,677, 119,520.97 and 26,368.88

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Solution

The fourth proportional to 79,677, 119,520.97 and 26,368.88 is: 39,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677 : 119,520.97 = 26,368.88 : x
  2. Step 2: Convert to fraction form
    79,677/119,520.97 = 26,368.88/x
  3. Step 3: Cross multiply
    79,677x = 119,520.97 × 26,368.88
  4. Step 4: Simplify right side
    79,677x = 3,151,633,451.89
  5. Step 5: Solve for x
    x = 3,151,633,451.89/79,677
  6. Step 6: Final answer
    x = 39,555.12

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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.