Home / 68,471.28-94,494.82-38,256.78

Finding the Fourth Proportional to 68,471.28, 94,494.82 and 38,256.78

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Solution

The fourth proportional to 68,471.28, 94,494.82 and 38,256.78 is: 52,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471.28 : 94,494.82 = 38,256.78 : x
  2. Step 2: Convert to fraction form
    68,471.28/94,494.82 = 38,256.78/x
  3. Step 3: Cross multiply
    68,471.28x = 94,494.82 × 38,256.78
  4. Step 4: Simplify right side
    68,471.28x = 3,615,067,539.88
  5. Step 5: Solve for x
    x = 3,615,067,539.88/68,471.28
  6. Step 6: Final answer
    x = 52,796.84

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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.