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Finding the Fourth Proportional to 79,168.86, 118,764.23 and 26,593.38

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Solution

The fourth proportional to 79,168.86, 118,764.23 and 26,593.38 is: 39,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168.86 : 118,764.23 = 26,593.38 : x
  2. Step 2: Convert to fraction form
    79,168.86/118,764.23 = 26,593.38/x
  3. Step 3: Cross multiply
    79,168.86x = 118,764.23 × 26,593.38
  4. Step 4: Simplify right side
    79,168.86x = 3,158,342,165.83
  5. Step 5: Solve for x
    x = 3,158,342,165.83/79,168.86
  6. Step 6: Final answer
    x = 39,893.74

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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.