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Finding the Fourth Proportional to 81,454.58, 112,413.63 and 45,647.92

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Solution

The fourth proportional to 81,454.58, 112,413.63 and 45,647.92 is: 62,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,454.58 : 112,413.63 = 45,647.92 : x
  2. Step 2: Convert to fraction form
    81,454.58/112,413.63 = 45,647.92/x
  3. Step 3: Cross multiply
    81,454.58x = 112,413.63 × 45,647.92
  4. Step 4: Simplify right side
    81,454.58x = 5,131,448,389.15
  5. Step 5: Solve for x
    x = 5,131,448,389.15/81,454.58
  6. Step 6: Final answer
    x = 62,997.67

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