Home / 90,928.88-136,393.31-27,749.32

Finding the Fourth Proportional to 90,928.88, 136,393.31 and 27,749.32

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Solution

The fourth proportional to 90,928.88, 136,393.31 and 27,749.32 is: 41,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,928.88 : 136,393.31 = 27,749.32 : x
  2. Step 2: Convert to fraction form
    90,928.88/136,393.31 = 27,749.32/x
  3. Step 3: Cross multiply
    90,928.88x = 136,393.31 × 27,749.32
  4. Step 4: Simplify right side
    90,928.88x = 3,784,821,977.14
  5. Step 5: Solve for x
    x = 3,784,821,977.14/90,928.88
  6. Step 6: Final answer
    x = 41,623.98

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