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Finding the Fourth Proportional to 70,613.83, 97,449.42 and 40,399.21

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Solution

The fourth proportional to 70,613.83, 97,449.42 and 40,399.21 is: 55,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613.83 : 97,449.42 = 40,399.21 : x
  2. Step 2: Convert to fraction form
    70,613.83/97,449.42 = 40,399.21/x
  3. Step 3: Cross multiply
    70,613.83x = 97,449.42 × 40,399.21
  4. Step 4: Simplify right side
    70,613.83x = 3,936,879,582.96
  5. Step 5: Solve for x
    x = 3,936,879,582.96/70,613.83
  6. Step 6: Final answer
    x = 55,752.25

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