Home / 68,839.54-94,987.29-40,541.38

Finding the Fourth Proportional to 68,839.54, 94,987.29 and 40,541.38

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Solution

The fourth proportional to 68,839.54, 94,987.29 and 40,541.38 is: 55,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,839.54 : 94,987.29 = 40,541.38 : x
  2. Step 2: Convert to fraction form
    68,839.54/94,987.29 = 40,541.38/x
  3. Step 3: Cross multiply
    68,839.54x = 94,987.29 × 40,541.38
  4. Step 4: Simplify right side
    68,839.54x = 3,850,915,819.06
  5. Step 5: Solve for x
    x = 3,850,915,819.06/68,839.54
  6. Step 6: Final answer
    x = 55,940.46

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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.