Home / 75,181.49-103,640.59-57,245.36

Finding the Fourth Proportional to 75,181.49, 103,640.59 and 57,245.36

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Solution

The fourth proportional to 75,181.49, 103,640.59 and 57,245.36 is: 78,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.49 : 103,640.59 = 57,245.36 : x
  2. Step 2: Convert to fraction form
    75,181.49/103,640.59 = 57,245.36/x
  3. Step 3: Cross multiply
    75,181.49x = 103,640.59 × 57,245.36
  4. Step 4: Simplify right side
    75,181.49x = 5,932,942,885.16
  5. Step 5: Solve for x
    x = 5,932,942,885.16/75,181.49
  6. Step 6: Final answer
    x = 78,914.94

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