Home / 81,496.48-122,215.56-44,084.20

Finding the Fourth Proportional to 81,496.48, 122,215.56 and 44,084.20

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Solution

The fourth proportional to 81,496.48, 122,215.56 and 44,084.20 is: 66,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,496.48 : 122,215.56 = 44,084.20 : x
  2. Step 2: Convert to fraction form
    81,496.48/122,215.56 = 44,084.20/x
  3. Step 3: Cross multiply
    81,496.48x = 122,215.56 × 44,084.20
  4. Step 4: Simplify right side
    81,496.48x = 5,387,775,190.15
  5. Step 5: Solve for x
    x = 5,387,775,190.15/81,496.48
  6. Step 6: Final answer
    x = 66,110.53

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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.