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Finding the Fourth Proportional to 76,200.88, 105,193.68 and 50,749.60

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Solution

The fourth proportional to 76,200.88, 105,193.68 and 50,749.60 is: 70,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.88 : 105,193.68 = 50,749.60 : x
  2. Step 2: Convert to fraction form
    76,200.88/105,193.68 = 50,749.60/x
  3. Step 3: Cross multiply
    76,200.88x = 105,193.68 × 50,749.60
  4. Step 4: Simplify right side
    76,200.88x = 5,338,537,182.53
  5. Step 5: Solve for x
    x = 5,338,537,182.53/76,200.88
  6. Step 6: Final answer
    x = 70,058.73

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