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Finding the Fourth Proportional to 66,749.92, 100,142.24 and 25,197.28

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Solution

The fourth proportional to 66,749.92, 100,142.24 and 25,197.28 is: 37,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,749.92 : 100,142.24 = 25,197.28 : x
  2. Step 2: Convert to fraction form
    66,749.92/100,142.24 = 25,197.28/x
  3. Step 3: Cross multiply
    66,749.92x = 100,142.24 × 25,197.28
  4. Step 4: Simplify right side
    66,749.92x = 2,523,312,061.11
  5. Step 5: Solve for x
    x = 2,523,312,061.11/66,749.92
  6. Step 6: Final answer
    x = 37,802.47

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