Home / 68,965.70-95,162.46-39,893.18

Finding the Fourth Proportional to 68,965.70, 95,162.46 and 39,893.18

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Solution

The fourth proportional to 68,965.70, 95,162.46 and 39,893.18 is: 55,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,965.70 : 95,162.46 = 39,893.18 : x
  2. Step 2: Convert to fraction form
    68,965.70/95,162.46 = 39,893.18/x
  3. Step 3: Cross multiply
    68,965.70x = 95,162.46 × 39,893.18
  4. Step 4: Simplify right side
    68,965.70x = 3,796,333,146.02
  5. Step 5: Solve for x
    x = 3,796,333,146.02/68,965.70
  6. Step 6: Final answer
    x = 55,046.68

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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.