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Finding the Fourth Proportional to 70,034.00, 96,643.04 and 39,815.15

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Solution

The fourth proportional to 70,034.00, 96,643.04 and 39,815.15 is: 54,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.00 : 96,643.04 = 39,815.15 : x
  2. Step 2: Convert to fraction form
    70,034.00/96,643.04 = 39,815.15/x
  3. Step 3: Cross multiply
    70,034.00x = 96,643.04 × 39,815.15
  4. Step 4: Simplify right side
    70,034.00x = 3,847,856,451.77
  5. Step 5: Solve for x
    x = 3,847,856,451.77/70,034.00
  6. Step 6: Final answer
    x = 54,942.70

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