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Finding the Fourth Proportional to 75,318.83, 104,077.51 and 54,865.28

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Solution

The fourth proportional to 75,318.83, 104,077.51 and 54,865.28 is: 75,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,318.83 : 104,077.51 = 54,865.28 : x
  2. Step 2: Convert to fraction form
    75,318.83/104,077.51 = 54,865.28/x
  3. Step 3: Cross multiply
    75,318.83x = 104,077.51 × 54,865.28
  4. Step 4: Simplify right side
    75,318.83x = 5,710,241,850.88
  5. Step 5: Solve for x
    x = 5,710,241,850.88/75,318.83
  6. Step 6: Final answer
    x = 75,814.27

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