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Finding the Fourth Proportional to 81,162.42, 111,996.86 and 45,347.46

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Solution

The fourth proportional to 81,162.42, 111,996.86 and 45,347.46 is: 62,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,162.42 : 111,996.86 = 45,347.46 : x
  2. Step 2: Convert to fraction form
    81,162.42/111,996.86 = 45,347.46/x
  3. Step 3: Cross multiply
    81,162.42x = 111,996.86 × 45,347.46
  4. Step 4: Simplify right side
    81,162.42x = 5,078,772,902.24
  5. Step 5: Solve for x
    x = 5,078,772,902.24/81,162.42
  6. Step 6: Final answer
    x = 62,575.42

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