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Finding the Fourth Proportional to 74,448.80, 111,478.80 and 48,010.40

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Solution

The fourth proportional to 74,448.80, 111,478.80 and 48,010.40 is: 71,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448.80 : 111,478.80 = 48,010.40 : x
  2. Step 2: Convert to fraction form
    74,448.80/111,478.80 = 48,010.40/x
  3. Step 3: Cross multiply
    74,448.80x = 111,478.80 × 48,010.40
  4. Step 4: Simplify right side
    74,448.80x = 5,352,141,779.52
  5. Step 5: Solve for x
    x = 5,352,141,779.52/74,448.80
  6. Step 6: Final answer
    x = 71,890.24

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