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Finding the Fourth Proportional to 71,469.45, 98,620.88 and 39,637.67

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Solution

The fourth proportional to 71,469.45, 98,620.88 and 39,637.67 is: 54,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,469.45 : 98,620.88 = 39,637.67 : x
  2. Step 2: Convert to fraction form
    71,469.45/98,620.88 = 39,637.67/x
  3. Step 3: Cross multiply
    71,469.45x = 98,620.88 × 39,637.67
  4. Step 4: Simplify right side
    71,469.45x = 3,909,101,205.26
  5. Step 5: Solve for x
    x = 3,909,101,205.26/71,469.45
  6. Step 6: Final answer
    x = 54,696.11

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