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Finding the Fourth Proportional to 53,920.40, 80,880.60 and 48,995.60

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Solution

The fourth proportional to 53,920.40, 80,880.60 and 48,995.60 is: 73,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.40 : 80,880.60 = 48,995.60 : x
  2. Step 2: Convert to fraction form
    53,920.40/80,880.60 = 48,995.60/x
  3. Step 3: Cross multiply
    53,920.40x = 80,880.60 × 48,995.60
  4. Step 4: Simplify right side
    53,920.40x = 3,962,793,525.36
  5. Step 5: Solve for x
    x = 3,962,793,525.36/53,920.40
  6. Step 6: Final answer
    x = 73,493.40

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