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Finding the Fourth Proportional to 72,024.28, 99,365.76 and 45,119.92

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Solution

The fourth proportional to 72,024.28, 99,365.76 and 45,119.92 is: 62,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.28 : 99,365.76 = 45,119.92 : x
  2. Step 2: Convert to fraction form
    72,024.28/99,365.76 = 45,119.92/x
  3. Step 3: Cross multiply
    72,024.28x = 99,365.76 × 45,119.92
  4. Step 4: Simplify right side
    72,024.28x = 4,483,375,141.94
  5. Step 5: Solve for x
    x = 4,483,375,141.94/72,024.28
  6. Step 6: Final answer
    x = 62,248.11

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