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Finding the Fourth Proportional to 76,000.55, 113,444.28 and 67,022.68

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Solution

The fourth proportional to 76,000.55, 113,444.28 and 67,022.68 is: 100,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.55 : 113,444.28 = 67,022.68 : x
  2. Step 2: Convert to fraction form
    76,000.55/113,444.28 = 67,022.68/x
  3. Step 3: Cross multiply
    76,000.55x = 113,444.28 × 67,022.68
  4. Step 4: Simplify right side
    76,000.55x = 7,603,340,069.41
  5. Step 5: Solve for x
    x = 7,603,340,069.41/76,000.55
  6. Step 6: Final answer
    x = 100,043.22

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