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Finding the Fourth Proportional to 49,205.20, 73,807.80 and 45,403.60

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Solution

The fourth proportional to 49,205.20, 73,807.80 and 45,403.60 is: 68,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,205.20 : 73,807.80 = 45,403.60 : x
  2. Step 2: Convert to fraction form
    49,205.20/73,807.80 = 45,403.60/x
  3. Step 3: Cross multiply
    49,205.20x = 73,807.80 × 45,403.60
  4. Step 4: Simplify right side
    49,205.20x = 3,351,139,828.08
  5. Step 5: Solve for x
    x = 3,351,139,828.08/49,205.20
  6. Step 6: Final answer
    x = 68,105.40

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