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Finding the Fourth Proportional to 77,795.60, 116,650.20 and 30,995.60

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Solution

The fourth proportional to 77,795.60, 116,650.20 and 30,995.60 is: 46,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,795.60 : 116,650.20 = 30,995.60 : x
  2. Step 2: Convert to fraction form
    77,795.60/116,650.20 = 30,995.60/x
  3. Step 3: Cross multiply
    77,795.60x = 116,650.20 × 30,995.60
  4. Step 4: Simplify right side
    77,795.60x = 3,615,642,939.12
  5. Step 5: Solve for x
    x = 3,615,642,939.12/77,795.60
  6. Step 6: Final answer
    x = 46,476.19

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