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Finding the Fourth Proportional to 93,647.52, 129,174.48 and 65,342.88

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Solution

The fourth proportional to 93,647.52, 129,174.48 and 65,342.88 is: 90,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,647.52 : 129,174.48 = 65,342.88 : x
  2. Step 2: Convert to fraction form
    93,647.52/129,174.48 = 65,342.88/x
  3. Step 3: Cross multiply
    93,647.52x = 129,174.48 × 65,342.88
  4. Step 4: Simplify right side
    93,647.52x = 8,440,632,545.70
  5. Step 5: Solve for x
    x = 8,440,632,545.70/93,647.52
  6. Step 6: Final answer
    x = 90,131.94

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