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Finding the Fourth Proportional to 53,975.70, 80,963.55 and 40,853.70

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Solution

The fourth proportional to 53,975.70, 80,963.55 and 40,853.70 is: 61,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.70 : 80,963.55 = 40,853.70 : x
  2. Step 2: Convert to fraction form
    53,975.70/80,963.55 = 40,853.70/x
  3. Step 3: Cross multiply
    53,975.70x = 80,963.55 × 40,853.70
  4. Step 4: Simplify right side
    53,975.70x = 3,307,660,582.64
  5. Step 5: Solve for x
    x = 3,307,660,582.64/53,975.70
  6. Step 6: Final answer
    x = 61,280.55

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