Home / 68,917.05-95,098.46-38,705.72

Finding the Fourth Proportional to 68,917.05, 95,098.46 and 38,705.72

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Solution

The fourth proportional to 68,917.05, 95,098.46 and 38,705.72 is: 53,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.05 : 95,098.46 = 38,705.72 : x
  2. Step 2: Convert to fraction form
    68,917.05/95,098.46 = 38,705.72/x
  3. Step 3: Cross multiply
    68,917.05x = 95,098.46 × 38,705.72
  4. Step 4: Simplify right side
    68,917.05x = 3,680,853,696.17
  5. Step 5: Solve for x
    x = 3,680,853,696.17/68,917.05
  6. Step 6: Final answer
    x = 53,409.91

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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.