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Finding the Fourth Proportional to 51,650.80, 77,476.20 and 48,540.40

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Solution

The fourth proportional to 51,650.80, 77,476.20 and 48,540.40 is: 72,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,650.80 : 77,476.20 = 48,540.40 : x
  2. Step 2: Convert to fraction form
    51,650.80/77,476.20 = 48,540.40/x
  3. Step 3: Cross multiply
    51,650.80x = 77,476.20 × 48,540.40
  4. Step 4: Simplify right side
    51,650.80x = 3,760,725,738.48
  5. Step 5: Solve for x
    x = 3,760,725,738.48/51,650.80
  6. Step 6: Final answer
    x = 72,810.60

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