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Finding the Fourth Proportional to 72,583.65, 100,162.85 and 40,753.89

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Solution

The fourth proportional to 72,583.65, 100,162.85 and 40,753.89 is: 56,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583.65 : 100,162.85 = 40,753.89 : x
  2. Step 2: Convert to fraction form
    72,583.65/100,162.85 = 40,753.89/x
  3. Step 3: Cross multiply
    72,583.65x = 100,162.85 × 40,753.89
  4. Step 4: Simplify right side
    72,583.65x = 4,082,025,567.22
  5. Step 5: Solve for x
    x = 4,082,025,567.22/72,583.65
  6. Step 6: Final answer
    x = 56,238.91

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