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Finding the Fourth Proportional to 93,142.11, 128,536.29 and 50,700.54

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Solution

The fourth proportional to 93,142.11, 128,536.29 and 50,700.54 is: 69,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,142.11 : 128,536.29 = 50,700.54 : x
  2. Step 2: Convert to fraction form
    93,142.11/128,536.29 = 50,700.54/x
  3. Step 3: Cross multiply
    93,142.11x = 128,536.29 × 50,700.54
  4. Step 4: Simplify right side
    93,142.11x = 6,516,859,312.60
  5. Step 5: Solve for x
    x = 6,516,859,312.60/93,142.11
  6. Step 6: Final answer
    x = 69,966.84

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