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Finding the Fourth Proportional to 98,306.32, 135,624.20 and 55,275.92

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Solution

The fourth proportional to 98,306.32, 135,624.20 and 55,275.92 is: 76,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,306.32 : 135,624.20 = 55,275.92 : x
  2. Step 2: Convert to fraction form
    98,306.32/135,624.20 = 55,275.92/x
  3. Step 3: Cross multiply
    98,306.32x = 135,624.20 × 55,275.92
  4. Step 4: Simplify right side
    98,306.32x = 7,496,752,429.26
  5. Step 5: Solve for x
    x = 7,496,752,429.26/98,306.32
  6. Step 6: Final answer
    x = 76,259.11

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