Home / 68,791.79-94,934.74-38,579.90

Finding the Fourth Proportional to 68,791.79, 94,934.74 and 38,579.90

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Solution

The fourth proportional to 68,791.79, 94,934.74 and 38,579.90 is: 53,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791.79 : 94,934.74 = 38,579.90 : x
  2. Step 2: Convert to fraction form
    68,791.79/94,934.74 = 38,579.90/x
  3. Step 3: Cross multiply
    68,791.79x = 94,934.74 × 38,579.90
  4. Step 4: Simplify right side
    68,791.79x = 3,662,572,775.73
  5. Step 5: Solve for x
    x = 3,662,572,775.73/68,791.79
  6. Step 6: Final answer
    x = 53,241.43

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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.