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Finding the Fourth Proportional to 76,969.01, 106,219.04 and 42,976.35

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Solution

The fourth proportional to 76,969.01, 106,219.04 and 42,976.35 is: 59,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,969.01 : 106,219.04 = 42,976.35 : x
  2. Step 2: Convert to fraction form
    76,969.01/106,219.04 = 42,976.35/x
  3. Step 3: Cross multiply
    76,969.01x = 106,219.04 × 42,976.35
  4. Step 4: Simplify right side
    76,969.01x = 4,564,906,159.27
  5. Step 5: Solve for x
    x = 4,564,906,159.27/76,969.01
  6. Step 6: Final answer
    x = 59,308.37

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