Home / 89,503.26-123,511.28-49,216.65

Finding the Fourth Proportional to 89,503.26, 123,511.28 and 49,216.65

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Solution

The fourth proportional to 89,503.26, 123,511.28 and 49,216.65 is: 67,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.26 : 123,511.28 = 49,216.65 : x
  2. Step 2: Convert to fraction form
    89,503.26/123,511.28 = 49,216.65/x
  3. Step 3: Cross multiply
    89,503.26x = 123,511.28 × 49,216.65
  4. Step 4: Simplify right side
    89,503.26x = 6,078,811,192.73
  5. Step 5: Solve for x
    x = 6,078,811,192.73/89,503.26
  6. Step 6: Final answer
    x = 67,917.20

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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.