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Finding the Fourth Proportional to 72,535.16, 100,072.86 and 47,399.24

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Solution

The fourth proportional to 72,535.16, 100,072.86 and 47,399.24 is: 65,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535.16 : 100,072.86 = 47,399.24 : x
  2. Step 2: Convert to fraction form
    72,535.16/100,072.86 = 47,399.24/x
  3. Step 3: Cross multiply
    72,535.16x = 100,072.86 × 47,399.24
  4. Step 4: Simplify right side
    72,535.16x = 4,743,377,508.63
  5. Step 5: Solve for x
    x = 4,743,377,508.63/72,535.16
  6. Step 6: Final answer
    x = 65,394.18

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