Home / 104,781.26-157,204.68-67,383.56

Finding the Fourth Proportional to 104,781.26, 157,204.68 and 67,383.56

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Solution

The fourth proportional to 104,781.26, 157,204.68 and 67,383.56 is: 101,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781.26 : 157,204.68 = 67,383.56 : x
  2. Step 2: Convert to fraction form
    104,781.26/157,204.68 = 67,383.56/x
  3. Step 3: Cross multiply
    104,781.26x = 157,204.68 × 67,383.56
  4. Step 4: Simplify right side
    104,781.26x = 10,593,010,987.06
  5. Step 5: Solve for x
    x = 10,593,010,987.06/104,781.26
  6. Step 6: Final answer
    x = 101,096.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.