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Finding the Fourth Proportional to 73,273.20, 109,909.80 and 47,007.60

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Solution

The fourth proportional to 73,273.20, 109,909.80 and 47,007.60 is: 70,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,273.20 : 109,909.80 = 47,007.60 : x
  2. Step 2: Convert to fraction form
    73,273.20/109,909.80 = 47,007.60/x
  3. Step 3: Cross multiply
    73,273.20x = 109,909.80 × 47,007.60
  4. Step 4: Simplify right side
    73,273.20x = 5,166,595,914.48
  5. Step 5: Solve for x
    x = 5,166,595,914.48/73,273.20
  6. Step 6: Final answer
    x = 70,511.40

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