Home / 112,580.43-155,335.55-67,249.54

Finding the Fourth Proportional to 112,580.43, 155,335.55 and 67,249.54

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Solution

The fourth proportional to 112,580.43, 155,335.55 and 67,249.54 is: 92,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.43 : 155,335.55 = 67,249.54 : x
  2. Step 2: Convert to fraction form
    112,580.43/155,335.55 = 67,249.54/x
  3. Step 3: Cross multiply
    112,580.43x = 155,335.55 × 67,249.54
  4. Step 4: Simplify right side
    112,580.43x = 10,446,244,062.93
  5. Step 5: Solve for x
    x = 10,446,244,062.93/112,580.43
  6. Step 6: Final answer
    x = 92,789.17

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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.