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Finding the Fourth Proportional to 93,215.81, 128,638.19 and 50,773.97

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Solution

The fourth proportional to 93,215.81, 128,638.19 and 50,773.97 is: 70,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,215.81 : 128,638.19 = 50,773.97 : x
  2. Step 2: Convert to fraction form
    93,215.81/128,638.19 = 50,773.97/x
  3. Step 3: Cross multiply
    93,215.81x = 128,638.19 × 50,773.97
  4. Step 4: Simplify right side
    93,215.81x = 6,531,471,599.91
  5. Step 5: Solve for x
    x = 6,531,471,599.91/93,215.81
  6. Step 6: Final answer
    x = 70,068.28

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