Home / 68,449.91-94,944.14-66,629.24

Finding the Fourth Proportional to 68,449.91, 94,944.14 and 66,629.24

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Solution

The fourth proportional to 68,449.91, 94,944.14 and 66,629.24 is: 92,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,449.91 : 94,944.14 = 66,629.24 : x
  2. Step 2: Convert to fraction form
    68,449.91/94,944.14 = 66,629.24/x
  3. Step 3: Cross multiply
    68,449.91x = 94,944.14 × 66,629.24
  4. Step 4: Simplify right side
    68,449.91x = 6,326,055,082.79
  5. Step 5: Solve for x
    x = 6,326,055,082.79/68,449.91
  6. Step 6: Final answer
    x = 92,418.76

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.