Home / 86,568.15-129,835.82-30,395.06

Finding the Fourth Proportional to 86,568.15, 129,835.82 and 30,395.06

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Solution

The fourth proportional to 86,568.15, 129,835.82 and 30,395.06 is: 45,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.15 : 129,835.82 = 30,395.06 : x
  2. Step 2: Convert to fraction form
    86,568.15/129,835.82 = 30,395.06/x
  3. Step 3: Cross multiply
    86,568.15x = 129,835.82 × 30,395.06
  4. Step 4: Simplify right side
    86,568.15x = 3,946,366,965.86
  5. Step 5: Solve for x
    x = 3,946,366,965.86/86,568.15
  6. Step 6: Final answer
    x = 45,586.82

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