Home / 117,062.79-161,546.45-66,086.25

Finding the Fourth Proportional to 117,062.79, 161,546.45 and 66,086.25

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Solution

The fourth proportional to 117,062.79, 161,546.45 and 66,086.25 is: 91,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,062.79 : 161,546.45 = 66,086.25 : x
  2. Step 2: Convert to fraction form
    117,062.79/161,546.45 = 66,086.25/x
  3. Step 3: Cross multiply
    117,062.79x = 161,546.45 × 66,086.25
  4. Step 4: Simplify right side
    117,062.79x = 10,675,999,081.31
  5. Step 5: Solve for x
    x = 10,675,999,081.31/117,062.79
  6. Step 6: Final answer
    x = 91,198.91

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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.