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Finding the Fourth Proportional to 77,346.40, 115,933.20 and 32,965.60

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Solution

The fourth proportional to 77,346.40, 115,933.20 and 32,965.60 is: 49,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,346.40 : 115,933.20 = 32,965.60 : x
  2. Step 2: Convert to fraction form
    77,346.40/115,933.20 = 32,965.60/x
  3. Step 3: Cross multiply
    77,346.40x = 115,933.20 × 32,965.60
  4. Step 4: Simplify right side
    77,346.40x = 3,821,807,497.92
  5. Step 5: Solve for x
    x = 3,821,807,497.92/77,346.40
  6. Step 6: Final answer
    x = 49,411.58

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