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Finding the Fourth Proportional to 70,047.25, 104,978.30 and 25,631.24

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Solution

The fourth proportional to 70,047.25, 104,978.30 and 25,631.24 is: 38,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.25 : 104,978.30 = 25,631.24 : x
  2. Step 2: Convert to fraction form
    70,047.25/104,978.30 = 25,631.24/x
  3. Step 3: Cross multiply
    70,047.25x = 104,978.30 × 25,631.24
  4. Step 4: Simplify right side
    70,047.25x = 2,690,723,349.04
  5. Step 5: Solve for x
    x = 2,690,723,349.04/70,047.25
  6. Step 6: Final answer
    x = 38,412.98

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