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Finding the Fourth Proportional to 80,800.60, 111,509.42 and 48,545.08

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Solution

The fourth proportional to 80,800.60, 111,509.42 and 48,545.08 is: 66,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,800.60 : 111,509.42 = 48,545.08 : x
  2. Step 2: Convert to fraction form
    80,800.60/111,509.42 = 48,545.08/x
  3. Step 3: Cross multiply
    80,800.60x = 111,509.42 × 48,545.08
  4. Step 4: Simplify right side
    80,800.60x = 5,413,233,714.65
  5. Step 5: Solve for x
    x = 5,413,233,714.65/80,800.60
  6. Step 6: Final answer
    x = 66,994.97

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