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Finding the Fourth Proportional to 74,470.80, 111,511.80 and 48,032.40

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Solution

The fourth proportional to 74,470.80, 111,511.80 and 48,032.40 is: 71,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,470.80 : 111,511.80 = 48,032.40 : x
  2. Step 2: Convert to fraction form
    74,470.80/111,511.80 = 48,032.40/x
  3. Step 3: Cross multiply
    74,470.80x = 111,511.80 × 48,032.40
  4. Step 4: Simplify right side
    74,470.80x = 5,356,179,382.32
  5. Step 5: Solve for x
    x = 5,356,179,382.32/74,470.80
  6. Step 6: Final answer
    x = 71,923.22

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