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Finding the Fourth Proportional to 98,276.20, 135,621.20 and 55,834.80

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Solution

The fourth proportional to 98,276.20, 135,621.20 and 55,834.80 is: 77,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,276.20 : 135,621.20 = 55,834.80 : x
  2. Step 2: Convert to fraction form
    98,276.20/135,621.20 = 55,834.80/x
  3. Step 3: Cross multiply
    98,276.20x = 135,621.20 × 55,834.80
  4. Step 4: Simplify right side
    98,276.20x = 7,572,382,577.76
  5. Step 5: Solve for x
    x = 7,572,382,577.76/98,276.20
  6. Step 6: Final answer
    x = 77,052.05

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