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Finding the Fourth Proportional to 76,375.20, 114,562.80 and 49,803.60

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Solution

The fourth proportional to 76,375.20, 114,562.80 and 49,803.60 is: 74,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,375.20 : 114,562.80 = 49,803.60 : x
  2. Step 2: Convert to fraction form
    76,375.20/114,562.80 = 49,803.60/x
  3. Step 3: Cross multiply
    76,375.20x = 114,562.80 × 49,803.60
  4. Step 4: Simplify right side
    76,375.20x = 5,705,639,866.08
  5. Step 5: Solve for x
    x = 5,705,639,866.08/76,375.20
  6. Step 6: Final answer
    x = 74,705.40

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