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Finding the Fourth Proportional to 64,711.72, 89,318.81 and 50,368.24

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Solution

The fourth proportional to 64,711.72, 89,318.81 and 50,368.24 is: 69,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,711.72 : 89,318.81 = 50,368.24 : x
  2. Step 2: Convert to fraction form
    64,711.72/89,318.81 = 50,368.24/x
  3. Step 3: Cross multiply
    64,711.72x = 89,318.81 × 50,368.24
  4. Step 4: Simplify right side
    64,711.72x = 4,498,831,258.59
  5. Step 5: Solve for x
    x = 4,498,831,258.59/64,711.72
  6. Step 6: Final answer
    x = 69,521.12

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