Home / 68,514.27-102,771.45-18,594.38

Finding the Fourth Proportional to 68,514.27, 102,771.45 and 18,594.38

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Solution

The fourth proportional to 68,514.27, 102,771.45 and 18,594.38 is: 27,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,514.27 : 102,771.45 = 18,594.38 : x
  2. Step 2: Convert to fraction form
    68,514.27/102,771.45 = 18,594.38/x
  3. Step 3: Cross multiply
    68,514.27x = 102,771.45 × 18,594.38
  4. Step 4: Simplify right side
    68,514.27x = 1,910,970,880.59
  5. Step 5: Solve for x
    x = 1,910,970,880.59/68,514.27
  6. Step 6: Final answer
    x = 27,891.57

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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.