Home / 86,380.11-119,163.83-50,548.14

Finding the Fourth Proportional to 86,380.11, 119,163.83 and 50,548.14

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Solution

The fourth proportional to 86,380.11, 119,163.83 and 50,548.14 is: 69,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,380.11 : 119,163.83 = 50,548.14 : x
  2. Step 2: Convert to fraction form
    86,380.11/119,163.83 = 50,548.14/x
  3. Step 3: Cross multiply
    86,380.11x = 119,163.83 × 50,548.14
  4. Step 4: Simplify right side
    86,380.11x = 6,023,509,709.04
  5. Step 5: Solve for x
    x = 6,023,509,709.04/86,380.11
  6. Step 6: Final answer
    x = 69,732.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.