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Finding the Fourth Proportional to 77,672.80, 116,451.60 and 33,263.20

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Solution

The fourth proportional to 77,672.80, 116,451.60 and 33,263.20 is: 49,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,672.80 : 116,451.60 = 33,263.20 : x
  2. Step 2: Convert to fraction form
    77,672.80/116,451.60 = 33,263.20/x
  3. Step 3: Cross multiply
    77,672.80x = 116,451.60 × 33,263.20
  4. Step 4: Simplify right side
    77,672.80x = 3,873,552,861.12
  5. Step 5: Solve for x
    x = 3,873,552,861.12/77,672.80
  6. Step 6: Final answer
    x = 49,870.13

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