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Finding the Fourth Proportional to 76,742.36, 115,129.20 and 32,369.04

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Solution

The fourth proportional to 76,742.36, 115,129.20 and 32,369.04 is: 48,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,742.36 : 115,129.20 = 32,369.04 : x
  2. Step 2: Convert to fraction form
    76,742.36/115,129.20 = 32,369.04/x
  3. Step 3: Cross multiply
    76,742.36x = 115,129.20 × 32,369.04
  4. Step 4: Simplify right side
    76,742.36x = 3,726,621,679.97
  5. Step 5: Solve for x
    x = 3,726,621,679.97/76,742.36
  6. Step 6: Final answer
    x = 48,560.17

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