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Finding the Fourth Proportional to 54,965.80, 82,448.70 and 51,685.30

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Solution

The fourth proportional to 54,965.80, 82,448.70 and 51,685.30 is: 77,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,965.80 : 82,448.70 = 51,685.30 : x
  2. Step 2: Convert to fraction form
    54,965.80/82,448.70 = 51,685.30/x
  3. Step 3: Cross multiply
    54,965.80x = 82,448.70 × 51,685.30
  4. Step 4: Simplify right side
    54,965.80x = 4,261,385,794.11
  5. Step 5: Solve for x
    x = 4,261,385,794.11/54,965.80
  6. Step 6: Final answer
    x = 77,527.95

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