Home / 79,515.09-109,729.41-43,705.10

Finding the Fourth Proportional to 79,515.09, 109,729.41 and 43,705.10

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Solution

The fourth proportional to 79,515.09, 109,729.41 and 43,705.10 is: 60,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515.09 : 109,729.41 = 43,705.10 : x
  2. Step 2: Convert to fraction form
    79,515.09/109,729.41 = 43,705.10/x
  3. Step 3: Cross multiply
    79,515.09x = 109,729.41 × 43,705.10
  4. Step 4: Simplify right side
    79,515.09x = 4,795,734,288.34
  5. Step 5: Solve for x
    x = 4,795,734,288.34/79,515.09
  6. Step 6: Final answer
    x = 60,312.25

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