Home / 87,003.92-120,082.68-56,794.16

Finding the Fourth Proportional to 87,003.92, 120,082.68 and 56,794.16

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Solution

The fourth proportional to 87,003.92, 120,082.68 and 56,794.16 is: 78,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,003.92 : 120,082.68 = 56,794.16 : x
  2. Step 2: Convert to fraction form
    87,003.92/120,082.68 = 56,794.16/x
  3. Step 3: Cross multiply
    87,003.92x = 120,082.68 × 56,794.16
  4. Step 4: Simplify right side
    87,003.92x = 6,819,994,941.15
  5. Step 5: Solve for x
    x = 6,819,994,941.15/87,003.92
  6. Step 6: Final answer
    x = 78,387.21

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