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Finding the Fourth Proportional to 79,540.80, 119,272.32 and 46,272.48

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Solution

The fourth proportional to 79,540.80, 119,272.32 and 46,272.48 is: 69,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,540.80 : 119,272.32 = 46,272.48 : x
  2. Step 2: Convert to fraction form
    79,540.80/119,272.32 = 46,272.48/x
  3. Step 3: Cross multiply
    79,540.80x = 119,272.32 × 46,272.48
  4. Step 4: Simplify right side
    79,540.80x = 5,519,026,041.75
  5. Step 5: Solve for x
    x = 5,519,026,041.75/79,540.80
  6. Step 6: Final answer
    x = 69,386.10

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