Home / 116,837.88-161,236.29-66,546.60

Finding the Fourth Proportional to 116,837.88, 161,236.29 and 66,546.60

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Solution

The fourth proportional to 116,837.88, 161,236.29 and 66,546.60 is: 91,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,837.88 : 161,236.29 = 66,546.60 : x
  2. Step 2: Convert to fraction form
    116,837.88/161,236.29 = 66,546.60/x
  3. Step 3: Cross multiply
    116,837.88x = 161,236.29 × 66,546.60
  4. Step 4: Simplify right side
    116,837.88x = 10,729,726,896.11
  5. Step 5: Solve for x
    x = 10,729,726,896.11/116,837.88
  6. Step 6: Final answer
    x = 91,834.32

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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.