Home / 68,629.97-94,695.90-43,121.57

Finding the Fourth Proportional to 68,629.97, 94,695.90 and 43,121.57

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Solution

The fourth proportional to 68,629.97, 94,695.90 and 43,121.57 is: 59,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629.97 : 94,695.90 = 43,121.57 : x
  2. Step 2: Convert to fraction form
    68,629.97/94,695.90 = 43,121.57/x
  3. Step 3: Cross multiply
    68,629.97x = 94,695.90 × 43,121.57
  4. Step 4: Simplify right side
    68,629.97x = 4,083,435,245.38
  5. Step 5: Solve for x
    x = 4,083,435,245.38/68,629.97
  6. Step 6: Final answer
    x = 59,499.30

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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.