Home / 68,678.04-94,771.16-38,456.43

Finding the Fourth Proportional to 68,678.04, 94,771.16 and 38,456.43

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Solution

The fourth proportional to 68,678.04, 94,771.16 and 38,456.43 is: 53,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678.04 : 94,771.16 = 38,456.43 : x
  2. Step 2: Convert to fraction form
    68,678.04/94,771.16 = 38,456.43/x
  3. Step 3: Cross multiply
    68,678.04x = 94,771.16 × 38,456.43
  4. Step 4: Simplify right side
    68,678.04x = 3,644,560,480.56
  5. Step 5: Solve for x
    x = 3,644,560,480.56/68,678.04
  6. Step 6: Final answer
    x = 53,067.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.