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Finding the Fourth Proportional to 80,692.80, 121,039.20 and 62,030.40

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Solution

The fourth proportional to 80,692.80, 121,039.20 and 62,030.40 is: 93,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,692.80 : 121,039.20 = 62,030.40 : x
  2. Step 2: Convert to fraction form
    80,692.80/121,039.20 = 62,030.40/x
  3. Step 3: Cross multiply
    80,692.80x = 121,039.20 × 62,030.40
  4. Step 4: Simplify right side
    80,692.80x = 7,508,109,991.68
  5. Step 5: Solve for x
    x = 7,508,109,991.68/80,692.80
  6. Step 6: Final answer
    x = 93,045.60

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