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Finding the Fourth Proportional to 93,087.72, 128,461.61 and 50,646.56

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Solution

The fourth proportional to 93,087.72, 128,461.61 and 50,646.56 is: 69,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,087.72 : 128,461.61 = 50,646.56 : x
  2. Step 2: Convert to fraction form
    93,087.72/128,461.61 = 50,646.56/x
  3. Step 3: Cross multiply
    93,087.72x = 128,461.61 × 50,646.56
  4. Step 4: Simplify right side
    93,087.72x = 6,506,138,122.87
  5. Step 5: Solve for x
    x = 6,506,138,122.87/93,087.72
  6. Step 6: Final answer
    x = 69,892.55

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