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Finding the Fourth Proportional to 76,214.64, 105,149.88 and 47,922.48

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Solution

The fourth proportional to 76,214.64, 105,149.88 and 47,922.48 is: 66,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,214.64 : 105,149.88 = 47,922.48 : x
  2. Step 2: Convert to fraction form
    76,214.64/105,149.88 = 47,922.48/x
  3. Step 3: Cross multiply
    76,214.64x = 105,149.88 × 47,922.48
  4. Step 4: Simplify right side
    76,214.64x = 5,039,043,021.30
  5. Step 5: Solve for x
    x = 5,039,043,021.30/76,214.64
  6. Step 6: Final answer
    x = 66,116.47

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