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Finding the Fourth Proportional to 79,127.63, 118,691.44 and 26,536.96

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Solution

The fourth proportional to 79,127.63, 118,691.44 and 26,536.96 is: 39,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127.63 : 118,691.44 = 26,536.96 : x
  2. Step 2: Convert to fraction form
    79,127.63/118,691.44 = 26,536.96/x
  3. Step 3: Cross multiply
    79,127.63x = 118,691.44 × 26,536.96
  4. Step 4: Simplify right side
    79,127.63x = 3,149,710,226.91
  5. Step 5: Solve for x
    x = 3,149,710,226.91/79,127.63
  6. Step 6: Final answer
    x = 39,805.44

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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.