Home / 123,428.68-185,162.46-44,562.28

Finding the Fourth Proportional to 123,428.68, 185,162.46 and 44,562.28

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Solution

The fourth proportional to 123,428.68, 185,162.46 and 44,562.28 is: 66,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,428.68 : 185,162.46 = 44,562.28 : x
  2. Step 2: Convert to fraction form
    123,428.68/185,162.46 = 44,562.28/x
  3. Step 3: Cross multiply
    123,428.68x = 185,162.46 × 44,562.28
  4. Step 4: Simplify right side
    123,428.68x = 8,251,261,388.01
  5. Step 5: Solve for x
    x = 8,251,261,388.01/123,428.68
  6. Step 6: Final answer
    x = 66,850.44

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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.