Home / 68,738.88-94,851.77-40,064.61

Finding the Fourth Proportional to 68,738.88, 94,851.77 and 40,064.61

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Solution

The fourth proportional to 68,738.88, 94,851.77 and 40,064.61 is: 55,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,738.88 : 94,851.77 = 40,064.61 : x
  2. Step 2: Convert to fraction form
    68,738.88/94,851.77 = 40,064.61/x
  3. Step 3: Cross multiply
    68,738.88x = 94,851.77 × 40,064.61
  4. Step 4: Simplify right side
    68,738.88x = 3,800,198,972.54
  5. Step 5: Solve for x
    x = 3,800,198,972.54/68,738.88
  6. Step 6: Final answer
    x = 55,284.56

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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.