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Finding the Fourth Proportional to 72,847.80, 109,271.70 and 50,729.40

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Solution

The fourth proportional to 72,847.80, 109,271.70 and 50,729.40 is: 76,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,847.80 : 109,271.70 = 50,729.40 : x
  2. Step 2: Convert to fraction form
    72,847.80/109,271.70 = 50,729.40/x
  3. Step 3: Cross multiply
    72,847.80x = 109,271.70 × 50,729.40
  4. Step 4: Simplify right side
    72,847.80x = 5,543,287,777.98
  5. Step 5: Solve for x
    x = 5,543,287,777.98/72,847.80
  6. Step 6: Final answer
    x = 76,094.10

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