Home / 78,825.24-108,771.42-46,987.80

Finding the Fourth Proportional to 78,825.24, 108,771.42 and 46,987.80

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Solution

The fourth proportional to 78,825.24, 108,771.42 and 46,987.80 is: 64,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825.24 : 108,771.42 = 46,987.80 : x
  2. Step 2: Convert to fraction form
    78,825.24/108,771.42 = 46,987.80/x
  3. Step 3: Cross multiply
    78,825.24x = 108,771.42 × 46,987.80
  4. Step 4: Simplify right side
    78,825.24x = 5,110,929,728.68
  5. Step 5: Solve for x
    x = 5,110,929,728.68/78,825.24
  6. Step 6: Final answer
    x = 64,838.75

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