Home / 68,078.82-93,947.13-37,864.05

Finding the Fourth Proportional to 68,078.82, 93,947.13 and 37,864.05

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Solution

The fourth proportional to 68,078.82, 93,947.13 and 37,864.05 is: 52,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,078.82 : 93,947.13 = 37,864.05 : x
  2. Step 2: Convert to fraction form
    68,078.82/93,947.13 = 37,864.05/x
  3. Step 3: Cross multiply
    68,078.82x = 93,947.13 × 37,864.05
  4. Step 4: Simplify right side
    68,078.82x = 3,557,218,827.68
  5. Step 5: Solve for x
    x = 3,557,218,827.68/68,078.82
  6. Step 6: Final answer
    x = 52,251.48

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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.