Home / 86,084.66-129,134.43-23,755.16

Finding the Fourth Proportional to 86,084.66, 129,134.43 and 23,755.16

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Solution

The fourth proportional to 86,084.66, 129,134.43 and 23,755.16 is: 35,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,084.66 : 129,134.43 = 23,755.16 : x
  2. Step 2: Convert to fraction form
    86,084.66/129,134.43 = 23,755.16/x
  3. Step 3: Cross multiply
    86,084.66x = 129,134.43 × 23,755.16
  4. Step 4: Simplify right side
    86,084.66x = 3,067,609,046.16
  5. Step 5: Solve for x
    x = 3,067,609,046.16/86,084.66
  6. Step 6: Final answer
    x = 35,634.79

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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.