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Finding the Fourth Proportional to 86,485.32, 119,349.90 and 48,759.48

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Solution

The fourth proportional to 86,485.32, 119,349.90 and 48,759.48 is: 67,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,485.32 : 119,349.90 = 48,759.48 : x
  2. Step 2: Convert to fraction form
    86,485.32/119,349.90 = 48,759.48/x
  3. Step 3: Cross multiply
    86,485.32x = 119,349.90 × 48,759.48
  4. Step 4: Simplify right side
    86,485.32x = 5,819,439,062.05
  5. Step 5: Solve for x
    x = 5,819,439,062.05/86,485.32
  6. Step 6: Final answer
    x = 67,288.17

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