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Finding the Fourth Proportional to 98,521.75, 135,960.03 and 53,809.75

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Solution

The fourth proportional to 98,521.75, 135,960.03 and 53,809.75 is: 74,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521.75 : 135,960.03 = 53,809.75 : x
  2. Step 2: Convert to fraction form
    98,521.75/135,960.03 = 53,809.75/x
  3. Step 3: Cross multiply
    98,521.75x = 135,960.03 × 53,809.75
  4. Step 4: Simplify right side
    98,521.75x = 7,315,975,224.29
  5. Step 5: Solve for x
    x = 7,315,975,224.29/98,521.75
  6. Step 6: Final answer
    x = 74,257.46

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