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Finding the Fourth Proportional to 48,112.84, 72,086.70 and 43,243.24

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Solution

The fourth proportional to 48,112.84, 72,086.70 and 43,243.24 is: 64,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,112.84 : 72,086.70 = 43,243.24 : x
  2. Step 2: Convert to fraction form
    48,112.84/72,086.70 = 43,243.24/x
  3. Step 3: Cross multiply
    48,112.84x = 72,086.70 × 43,243.24
  4. Step 4: Simplify right side
    48,112.84x = 3,117,262,468.91
  5. Step 5: Solve for x
    x = 3,117,262,468.91/48,112.84
  6. Step 6: Final answer
    x = 64,790.66

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