Home / 68,081.56-102,067.26-30,614.20

Finding the Fourth Proportional to 68,081.56, 102,067.26 and 30,614.20

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Solution

The fourth proportional to 68,081.56, 102,067.26 and 30,614.20 is: 45,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,081.56 : 102,067.26 = 30,614.20 : x
  2. Step 2: Convert to fraction form
    68,081.56/102,067.26 = 30,614.20/x
  3. Step 3: Cross multiply
    68,081.56x = 102,067.26 × 30,614.20
  4. Step 4: Simplify right side
    68,081.56x = 3,124,707,511.09
  5. Step 5: Solve for x
    x = 3,124,707,511.09/68,081.56
  6. Step 6: Final answer
    x = 45,896.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.