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Finding the Fourth Proportional to 82,409.48, 123,664.98 and 32,480.90

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Solution

The fourth proportional to 82,409.48, 123,664.98 and 32,480.90 is: 48,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,409.48 : 123,664.98 = 32,480.90 : x
  2. Step 2: Convert to fraction form
    82,409.48/123,664.98 = 32,480.90/x
  3. Step 3: Cross multiply
    82,409.48x = 123,664.98 × 32,480.90
  4. Step 4: Simplify right side
    82,409.48x = 4,016,749,848.88
  5. Step 5: Solve for x
    x = 4,016,749,848.88/82,409.48
  6. Step 6: Final answer
    x = 48,741.36

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