Home / 78,579.02-117,872.42-22,427.41

Finding the Fourth Proportional to 78,579.02, 117,872.42 and 22,427.41

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Solution

The fourth proportional to 78,579.02, 117,872.42 and 22,427.41 is: 33,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,579.02 : 117,872.42 = 22,427.41 : x
  2. Step 2: Convert to fraction form
    78,579.02/117,872.42 = 22,427.41/x
  3. Step 3: Cross multiply
    78,579.02x = 117,872.42 × 22,427.41
  4. Step 4: Simplify right side
    78,579.02x = 2,643,573,091.03
  5. Step 5: Solve for x
    x = 2,643,573,091.03/78,579.02
  6. Step 6: Final answer
    x = 33,642.23

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