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Finding the Fourth Proportional to 76,240.48, 105,233.04 and 53,584.48

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Solution

The fourth proportional to 76,240.48, 105,233.04 and 53,584.48 is: 73,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,240.48 : 105,233.04 = 53,584.48 : x
  2. Step 2: Convert to fraction form
    76,240.48/105,233.04 = 53,584.48/x
  3. Step 3: Cross multiply
    76,240.48x = 105,233.04 × 53,584.48
  4. Step 4: Simplify right side
    76,240.48x = 5,638,857,727.22
  5. Step 5: Solve for x
    x = 5,638,857,727.22/76,240.48
  6. Step 6: Final answer
    x = 73,961.47

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