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Finding the Fourth Proportional to 67,391.60, 101,087.40 and 47,692.40

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Solution

The fourth proportional to 67,391.60, 101,087.40 and 47,692.40 is: 71,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,391.60 : 101,087.40 = 47,692.40 : x
  2. Step 2: Convert to fraction form
    67,391.60/101,087.40 = 47,692.40/x
  3. Step 3: Cross multiply
    67,391.60x = 101,087.40 × 47,692.40
  4. Step 4: Simplify right side
    67,391.60x = 4,821,100,715.76
  5. Step 5: Solve for x
    x = 4,821,100,715.76/67,391.60
  6. Step 6: Final answer
    x = 71,538.60

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