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Finding the Fourth Proportional to 75,644.80, 113,467.20 and 52,025.20

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Solution

The fourth proportional to 75,644.80, 113,467.20 and 52,025.20 is: 78,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,644.80 : 113,467.20 = 52,025.20 : x
  2. Step 2: Convert to fraction form
    75,644.80/113,467.20 = 52,025.20/x
  3. Step 3: Cross multiply
    75,644.80x = 113,467.20 × 52,025.20
  4. Step 4: Simplify right side
    75,644.80x = 5,903,153,773.44
  5. Step 5: Solve for x
    x = 5,903,153,773.44/75,644.80
  6. Step 6: Final answer
    x = 78,037.80

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