Home / 123,972.66-185,849.99-49,145.37

Finding the Fourth Proportional to 123,972.66, 185,849.99 and 49,145.37

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Solution

The fourth proportional to 123,972.66, 185,849.99 and 49,145.37 is: 73,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,972.66 : 185,849.99 = 49,145.37 : x
  2. Step 2: Convert to fraction form
    123,972.66/185,849.99 = 49,145.37/x
  3. Step 3: Cross multiply
    123,972.66x = 185,849.99 × 49,145.37
  4. Step 4: Simplify right side
    123,972.66x = 9,133,665,764.68
  5. Step 5: Solve for x
    x = 9,133,665,764.68/123,972.66
  6. Step 6: Final answer
    x = 73,674.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.