Home / 73,249.34-109,694.81-66,149.61

Finding the Fourth Proportional to 73,249.34, 109,694.81 and 66,149.61

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Solution

The fourth proportional to 73,249.34, 109,694.81 and 66,149.61 is: 99,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,249.34 : 109,694.81 = 66,149.61 : x
  2. Step 2: Convert to fraction form
    73,249.34/109,694.81 = 66,149.61/x
  3. Step 3: Cross multiply
    73,249.34x = 109,694.81 × 66,149.61
  4. Step 4: Simplify right side
    73,249.34x = 7,256,268,569.78
  5. Step 5: Solve for x
    x = 7,256,268,569.78/73,249.34
  6. Step 6: Final answer
    x = 99,062.59

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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.