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Finding the Fourth Proportional to 71,308.99, 98,375.50 and 42,998.95

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Solution

The fourth proportional to 71,308.99, 98,375.50 and 42,998.95 is: 59,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,308.99 : 98,375.50 = 42,998.95 : x
  2. Step 2: Convert to fraction form
    71,308.99/98,375.50 = 42,998.95/x
  3. Step 3: Cross multiply
    71,308.99x = 98,375.50 × 42,998.95
  4. Step 4: Simplify right side
    71,308.99x = 4,230,043,205.73
  5. Step 5: Solve for x
    x = 4,230,043,205.73/71,308.99
  6. Step 6: Final answer
    x = 59,319.91

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