Home / 123,639.21-185,458.41-44,734.68

Finding the Fourth Proportional to 123,639.21, 185,458.41 and 44,734.68

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Solution

The fourth proportional to 123,639.21, 185,458.41 and 44,734.68 is: 67,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,639.21 : 185,458.41 = 44,734.68 : x
  2. Step 2: Convert to fraction form
    123,639.21/185,458.41 = 44,734.68/x
  3. Step 3: Cross multiply
    123,639.21x = 185,458.41 × 44,734.68
  4. Step 4: Simplify right side
    123,639.21x = 8,296,422,624.66
  5. Step 5: Solve for x
    x = 8,296,422,624.66/123,639.21
  6. Step 6: Final answer
    x = 67,101.87

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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.