Home / 89,508.24-123,511.80-51,775.44

Finding the Fourth Proportional to 89,508.24, 123,511.80 and 51,775.44

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Solution

The fourth proportional to 89,508.24, 123,511.80 and 51,775.44 is: 71,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,508.24 : 123,511.80 = 51,775.44 : x
  2. Step 2: Convert to fraction form
    89,508.24/123,511.80 = 51,775.44/x
  3. Step 3: Cross multiply
    89,508.24x = 123,511.80 × 51,775.44
  4. Step 4: Simplify right side
    89,508.24x = 6,394,877,790.19
  5. Step 5: Solve for x
    x = 6,394,877,790.19/89,508.24
  6. Step 6: Final answer
    x = 71,444.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.