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Finding the Fourth Proportional to 71,375.65, 98,453.84 and 45,915.21

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Solution

The fourth proportional to 71,375.65, 98,453.84 and 45,915.21 is: 63,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,375.65 : 98,453.84 = 45,915.21 : x
  2. Step 2: Convert to fraction form
    71,375.65/98,453.84 = 45,915.21/x
  3. Step 3: Cross multiply
    71,375.65x = 98,453.84 × 45,915.21
  4. Step 4: Simplify right side
    71,375.65x = 4,520,528,738.91
  5. Step 5: Solve for x
    x = 4,520,528,738.91/71,375.65
  6. Step 6: Final answer
    x = 63,334.33

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