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Finding the Fourth Proportional to 78,334.88, 117,518.60 and 35,619.96

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Solution

The fourth proportional to 78,334.88, 117,518.60 and 35,619.96 is: 53,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334.88 : 117,518.60 = 35,619.96 : x
  2. Step 2: Convert to fraction form
    78,334.88/117,518.60 = 35,619.96/x
  3. Step 3: Cross multiply
    78,334.88x = 117,518.60 × 35,619.96
  4. Step 4: Simplify right side
    78,334.88x = 4,186,007,831.26
  5. Step 5: Solve for x
    x = 4,186,007,831.26/78,334.88
  6. Step 6: Final answer
    x = 53,437.34

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