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Finding the Fourth Proportional to 85,309.44, 117,726.69 and 47,071.37

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Solution

The fourth proportional to 85,309.44, 117,726.69 and 47,071.37 is: 64,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,309.44 : 117,726.69 = 47,071.37 : x
  2. Step 2: Convert to fraction form
    85,309.44/117,726.69 = 47,071.37/x
  3. Step 3: Cross multiply
    85,309.44x = 117,726.69 × 47,071.37
  4. Step 4: Simplify right side
    85,309.44x = 5,541,556,583.87
  5. Step 5: Solve for x
    x = 5,541,556,583.87/85,309.44
  6. Step 6: Final answer
    x = 64,958.30

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