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Finding the Fourth Proportional to 55,943.80, 83,915.70 and 53,222.20

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Solution

The fourth proportional to 55,943.80, 83,915.70 and 53,222.20 is: 79,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.80 : 83,915.70 = 53,222.20 : x
  2. Step 2: Convert to fraction form
    55,943.80/83,915.70 = 53,222.20/x
  3. Step 3: Cross multiply
    55,943.80x = 83,915.70 × 53,222.20
  4. Step 4: Simplify right side
    55,943.80x = 4,466,178,168.54
  5. Step 5: Solve for x
    x = 4,466,178,168.54/55,943.80
  6. Step 6: Final answer
    x = 79,833.30

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