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Finding the Fourth Proportional to 93,061.92, 128,428.08 and 50,623.20

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Solution

The fourth proportional to 93,061.92, 128,428.08 and 50,623.20 is: 69,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,061.92 : 128,428.08 = 50,623.20 : x
  2. Step 2: Convert to fraction form
    93,061.92/128,428.08 = 50,623.20/x
  3. Step 3: Cross multiply
    93,061.92x = 128,428.08 × 50,623.20
  4. Step 4: Simplify right side
    93,061.92x = 6,501,440,379.46
  5. Step 5: Solve for x
    x = 6,501,440,379.46/93,061.92
  6. Step 6: Final answer
    x = 69,861.45

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