Home / 68,540.14-94,590.12-38,324.86

Finding the Fourth Proportional to 68,540.14, 94,590.12 and 38,324.86

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Solution

The fourth proportional to 68,540.14, 94,590.12 and 38,324.86 is: 52,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,540.14 : 94,590.12 = 38,324.86 : x
  2. Step 2: Convert to fraction form
    68,540.14/94,590.12 = 38,324.86/x
  3. Step 3: Cross multiply
    68,540.14x = 94,590.12 × 38,324.86
  4. Step 4: Simplify right side
    68,540.14x = 3,625,153,106.38
  5. Step 5: Solve for x
    x = 3,625,153,106.38/68,540.14
  6. Step 6: Final answer
    x = 52,890.95

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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.