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Finding the Fourth Proportional to 80,883.92, 121,349.98 and 58,445.30

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Solution

The fourth proportional to 80,883.92, 121,349.98 and 58,445.30 is: 87,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,883.92 : 121,349.98 = 58,445.30 : x
  2. Step 2: Convert to fraction form
    80,883.92/121,349.98 = 58,445.30/x
  3. Step 3: Cross multiply
    80,883.92x = 121,349.98 × 58,445.30
  4. Step 4: Simplify right side
    80,883.92x = 7,092,335,986.09
  5. Step 5: Solve for x
    x = 7,092,335,986.09/80,883.92
  6. Step 6: Final answer
    x = 87,685.36

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