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Finding the Fourth Proportional to 98,293.61, 135,644.86 and 53,581.61

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Solution

The fourth proportional to 98,293.61, 135,644.86 and 53,581.61 is: 73,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.61 : 135,644.86 = 53,581.61 : x
  2. Step 2: Convert to fraction form
    98,293.61/135,644.86 = 53,581.61/x
  3. Step 3: Cross multiply
    98,293.61x = 135,644.86 × 53,581.61
  4. Step 4: Simplify right side
    98,293.61x = 7,268,069,987.02
  5. Step 5: Solve for x
    x = 7,268,069,987.02/98,293.61
  6. Step 6: Final answer
    x = 73,942.45

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