Home / 68,005.72-93,856.80-41,149.36

Finding the Fourth Proportional to 68,005.72, 93,856.80 and 41,149.36

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Solution

The fourth proportional to 68,005.72, 93,856.80 and 41,149.36 is: 56,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005.72 : 93,856.80 = 41,149.36 : x
  2. Step 2: Convert to fraction form
    68,005.72/93,856.80 = 41,149.36/x
  3. Step 3: Cross multiply
    68,005.72x = 93,856.80 × 41,149.36
  4. Step 4: Simplify right side
    68,005.72x = 3,862,147,251.65
  5. Step 5: Solve for x
    x = 3,862,147,251.65/68,005.72
  6. Step 6: Final answer
    x = 56,791.51

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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.