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Finding the Fourth Proportional to 86,451.23, 119,303.22 and 48,213.20

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Solution

The fourth proportional to 86,451.23, 119,303.22 and 48,213.20 is: 66,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451.23 : 119,303.22 = 48,213.20 : x
  2. Step 2: Convert to fraction form
    86,451.23/119,303.22 = 48,213.20/x
  3. Step 3: Cross multiply
    86,451.23x = 119,303.22 × 48,213.20
  4. Step 4: Simplify right side
    86,451.23x = 5,751,989,409.99
  5. Step 5: Solve for x
    x = 5,751,989,409.99/86,451.23
  6. Step 6: Final answer
    x = 66,534.50

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