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Finding the Fourth Proportional to 88,234.32, 121,762.98 and 49,993.80

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Solution

The fourth proportional to 88,234.32, 121,762.98 and 49,993.80 is: 68,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,234.32 : 121,762.98 = 49,993.80 : x
  2. Step 2: Convert to fraction form
    88,234.32/121,762.98 = 49,993.80/x
  3. Step 3: Cross multiply
    88,234.32x = 121,762.98 × 49,993.80
  4. Step 4: Simplify right side
    88,234.32x = 6,087,394,069.52
  5. Step 5: Solve for x
    x = 6,087,394,069.52/88,234.32
  6. Step 6: Final answer
    x = 68,991.23

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