Home / 68,747.97-94,873.32-38,540.01

Finding the Fourth Proportional to 68,747.97, 94,873.32 and 38,540.01

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Solution

The fourth proportional to 68,747.97, 94,873.32 and 38,540.01 is: 53,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,747.97 : 94,873.32 = 38,540.01 : x
  2. Step 2: Convert to fraction form
    68,747.97/94,873.32 = 38,540.01/x
  3. Step 3: Cross multiply
    68,747.97x = 94,873.32 × 38,540.01
  4. Step 4: Simplify right side
    68,747.97x = 3,656,418,701.53
  5. Step 5: Solve for x
    x = 3,656,418,701.53/68,747.97
  6. Step 6: Final answer
    x = 53,185.84

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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.