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Finding the Fourth Proportional to 53,822.80, 80,734.20 and 53,045.20

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Solution

The fourth proportional to 53,822.80, 80,734.20 and 53,045.20 is: 79,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,822.80 : 80,734.20 = 53,045.20 : x
  2. Step 2: Convert to fraction form
    53,822.80/80,734.20 = 53,045.20/x
  3. Step 3: Cross multiply
    53,822.80x = 80,734.20 × 53,045.20
  4. Step 4: Simplify right side
    53,822.80x = 4,282,561,785.84
  5. Step 5: Solve for x
    x = 4,282,561,785.84/53,822.80
  6. Step 6: Final answer
    x = 79,567.80

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