Home / 68,785.36-94,921.82-41,918.06

Finding the Fourth Proportional to 68,785.36, 94,921.82 and 41,918.06

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Solution

The fourth proportional to 68,785.36, 94,921.82 and 41,918.06 is: 57,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.36 : 94,921.82 = 41,918.06 : x
  2. Step 2: Convert to fraction form
    68,785.36/94,921.82 = 41,918.06/x
  3. Step 3: Cross multiply
    68,785.36x = 94,921.82 × 41,918.06
  4. Step 4: Simplify right side
    68,785.36x = 3,978,938,546.07
  5. Step 5: Solve for x
    x = 3,978,938,546.07/68,785.36
  6. Step 6: Final answer
    x = 57,845.72

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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.