Home / 45,813.58-68,603.70-30,183.82

Finding the Fourth Proportional to 45,813.58, 68,603.70 and 30,183.82

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Solution

The fourth proportional to 45,813.58, 68,603.70 and 30,183.82 is: 45,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.58 : 68,603.70 = 30,183.82 : x
  2. Step 2: Convert to fraction form
    45,813.58/68,603.70 = 30,183.82/x
  3. Step 3: Cross multiply
    45,813.58x = 68,603.70 × 30,183.82
  4. Step 4: Simplify right side
    45,813.58x = 2,070,721,732.13
  5. Step 5: Solve for x
    x = 2,070,721,732.13/45,813.58
  6. Step 6: Final answer
    x = 45,198.86

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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.