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Finding the Fourth Proportional to 54,188.55, 81,239.09 and 49,814.55

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Solution

The fourth proportional to 54,188.55, 81,239.09 and 49,814.55 is: 74,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,188.55 : 81,239.09 = 49,814.55 : x
  2. Step 2: Convert to fraction form
    54,188.55/81,239.09 = 49,814.55/x
  3. Step 3: Cross multiply
    54,188.55x = 81,239.09 × 49,814.55
  4. Step 4: Simplify right side
    54,188.55x = 4,046,888,461.69
  5. Step 5: Solve for x
    x = 4,046,888,461.69/54,188.55
  6. Step 6: Final answer
    x = 74,681.62

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