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Finding the Fourth Proportional to 62,843.88, 86,664.96 and 41,295.72

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Solution

The fourth proportional to 62,843.88, 86,664.96 and 41,295.72 is: 56,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.88 : 86,664.96 = 41,295.72 : x
  2. Step 2: Convert to fraction form
    62,843.88/86,664.96 = 41,295.72/x
  3. Step 3: Cross multiply
    62,843.88x = 86,664.96 × 41,295.72
  4. Step 4: Simplify right side
    62,843.88x = 3,578,891,921.97
  5. Step 5: Solve for x
    x = 3,578,891,921.97/62,843.88
  6. Step 6: Final answer
    x = 56,948.93

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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.