Home / 123,822.09-185,629.46-49,932.81

Finding the Fourth Proportional to 123,822.09, 185,629.46 and 49,932.81

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Solution

The fourth proportional to 123,822.09, 185,629.46 and 49,932.81 is: 74,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822.09 : 185,629.46 = 49,932.81 : x
  2. Step 2: Convert to fraction form
    123,822.09/185,629.46 = 49,932.81/x
  3. Step 3: Cross multiply
    123,822.09x = 185,629.46 × 49,932.81
  4. Step 4: Simplify right side
    123,822.09x = 9,269,000,306.92
  5. Step 5: Solve for x
    x = 9,269,000,306.92/123,822.09
  6. Step 6: Final answer
    x = 74,857.40

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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.