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Finding the Fourth Proportional to 52,516.80, 78,775.20 and 50,475.60

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Solution

The fourth proportional to 52,516.80, 78,775.20 and 50,475.60 is: 75,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.80 : 78,775.20 = 50,475.60 : x
  2. Step 2: Convert to fraction form
    52,516.80/78,775.20 = 50,475.60/x
  3. Step 3: Cross multiply
    52,516.80x = 78,775.20 × 50,475.60
  4. Step 4: Simplify right side
    52,516.80x = 3,976,225,485.12
  5. Step 5: Solve for x
    x = 3,976,225,485.12/52,516.80
  6. Step 6: Final answer
    x = 75,713.40

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