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Finding the Fourth Proportional to 54,364.40, 81,449.40 and 46,005.20

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Solution

The fourth proportional to 54,364.40, 81,449.40 and 46,005.20 is: 68,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.40 : 81,449.40 = 46,005.20 : x
  2. Step 2: Convert to fraction form
    54,364.40/81,449.40 = 46,005.20/x
  3. Step 3: Cross multiply
    54,364.40x = 81,449.40 × 46,005.20
  4. Step 4: Simplify right side
    54,364.40x = 3,747,095,936.88
  5. Step 5: Solve for x
    x = 3,747,095,936.88/54,364.40
  6. Step 6: Final answer
    x = 68,925.55

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