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Finding the Fourth Proportional to 81,710.60, 122,565.90 and 32,462.60

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Solution

The fourth proportional to 81,710.60, 122,565.90 and 32,462.60 is: 48,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,710.60 : 122,565.90 = 32,462.60 : x
  2. Step 2: Convert to fraction form
    81,710.60/122,565.90 = 32,462.60/x
  3. Step 3: Cross multiply
    81,710.60x = 122,565.90 × 32,462.60
  4. Step 4: Simplify right side
    81,710.60x = 3,978,807,785.34
  5. Step 5: Solve for x
    x = 3,978,807,785.34/81,710.60
  6. Step 6: Final answer
    x = 48,693.90

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