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Finding the Fourth Proportional to 76,681.92, 115,041.12 and 24,091.43

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Solution

The fourth proportional to 76,681.92, 115,041.12 and 24,091.43 is: 36,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,681.92 : 115,041.12 = 24,091.43 : x
  2. Step 2: Convert to fraction form
    76,681.92/115,041.12 = 24,091.43/x
  3. Step 3: Cross multiply
    76,681.92x = 115,041.12 × 24,091.43
  4. Step 4: Simplify right side
    76,681.92x = 2,771,504,514.40
  5. Step 5: Solve for x
    x = 2,771,504,514.40/76,681.92
  6. Step 6: Final answer
    x = 36,142.87

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