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Finding the Fourth Proportional to 67,813.12, 93,613.44 and 39,508.48

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Solution

The fourth proportional to 67,813.12, 93,613.44 and 39,508.48 is: 54,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,813.12 : 93,613.44 = 39,508.48 : x
  2. Step 2: Convert to fraction form
    67,813.12/93,613.44 = 39,508.48/x
  3. Step 3: Cross multiply
    67,813.12x = 93,613.44 × 39,508.48
  4. Step 4: Simplify right side
    67,813.12x = 3,698,524,721.97
  5. Step 5: Solve for x
    x = 3,698,524,721.97/67,813.12
  6. Step 6: Final answer
    x = 54,539.96

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