Home / 77,635.14-107,130.59-43,638.23

Finding the Fourth Proportional to 77,635.14, 107,130.59 and 43,638.23

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Solution

The fourth proportional to 77,635.14, 107,130.59 and 43,638.23 is: 60,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,635.14 : 107,130.59 = 43,638.23 : x
  2. Step 2: Convert to fraction form
    77,635.14/107,130.59 = 43,638.23/x
  3. Step 3: Cross multiply
    77,635.14x = 107,130.59 × 43,638.23
  4. Step 4: Simplify right side
    77,635.14x = 4,674,988,899.90
  5. Step 5: Solve for x
    x = 4,674,988,899.90/77,635.14
  6. Step 6: Final answer
    x = 60,217.43

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