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Finding the Fourth Proportional to 54,501.60, 81,637.20 and 48,664.80

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Solution

The fourth proportional to 54,501.60, 81,637.20 and 48,664.80 is: 72,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.60 : 81,637.20 = 48,664.80 : x
  2. Step 2: Convert to fraction form
    54,501.60/81,637.20 = 48,664.80/x
  3. Step 3: Cross multiply
    54,501.60x = 81,637.20 × 48,664.80
  4. Step 4: Simplify right side
    54,501.60x = 3,972,858,010.56
  5. Step 5: Solve for x
    x = 3,972,858,010.56/54,501.60
  6. Step 6: Final answer
    x = 72,894.34

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