Home / 68,781.17-94,934.90-41,938.48

Finding the Fourth Proportional to 68,781.17, 94,934.90 and 41,938.48

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Solution

The fourth proportional to 68,781.17, 94,934.90 and 41,938.48 is: 57,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,781.17 : 94,934.90 = 41,938.48 : x
  2. Step 2: Convert to fraction form
    68,781.17/94,934.90 = 41,938.48/x
  3. Step 3: Cross multiply
    68,781.17x = 94,934.90 × 41,938.48
  4. Step 4: Simplify right side
    68,781.17x = 3,981,425,404.95
  5. Step 5: Solve for x
    x = 3,981,425,404.95/68,781.17
  6. Step 6: Final answer
    x = 57,885.40

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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.