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Finding the Fourth Proportional to 67,871.28, 93,672.54 and 39,573.12

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Solution

The fourth proportional to 67,871.28, 93,672.54 and 39,573.12 is: 54,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.28 : 93,672.54 = 39,573.12 : x
  2. Step 2: Convert to fraction form
    67,871.28/93,672.54 = 39,573.12/x
  3. Step 3: Cross multiply
    67,871.28x = 93,672.54 × 39,573.12
  4. Step 4: Simplify right side
    67,871.28x = 3,706,914,666.12
  5. Step 5: Solve for x
    x = 3,706,914,666.12/67,871.28
  6. Step 6: Final answer
    x = 54,616.84

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