Home / 68,917.64-95,105.75-38,703.42

Finding the Fourth Proportional to 68,917.64, 95,105.75 and 38,703.42

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Solution

The fourth proportional to 68,917.64, 95,105.75 and 38,703.42 is: 53,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.64 : 95,105.75 = 38,703.42 : x
  2. Step 2: Convert to fraction form
    68,917.64/95,105.75 = 38,703.42/x
  3. Step 3: Cross multiply
    68,917.64x = 95,105.75 × 38,703.42
  4. Step 4: Simplify right side
    68,917.64x = 3,680,917,593.15
  5. Step 5: Solve for x
    x = 3,680,917,593.15/68,917.64
  6. Step 6: Final answer
    x = 53,410.39

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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.