Home / 78,513.02-117,724.83-53,583.27

Finding the Fourth Proportional to 78,513.02, 117,724.83 and 53,583.27

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Solution

The fourth proportional to 78,513.02, 117,724.83 and 53,583.27 is: 80,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,513.02 : 117,724.83 = 53,583.27 : x
  2. Step 2: Convert to fraction form
    78,513.02/117,724.83 = 53,583.27/x
  3. Step 3: Cross multiply
    78,513.02x = 117,724.83 × 53,583.27
  4. Step 4: Simplify right side
    78,513.02x = 6,308,081,351.59
  5. Step 5: Solve for x
    x = 6,308,081,351.59/78,513.02
  6. Step 6: Final answer
    x = 80,344.40

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