Home / 89,508.21-123,521.82-49,224.57

Finding the Fourth Proportional to 89,508.21, 123,521.82 and 49,224.57

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Solution

The fourth proportional to 89,508.21, 123,521.82 and 49,224.57 is: 67,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,508.21 : 123,521.82 = 49,224.57 : x
  2. Step 2: Convert to fraction form
    89,508.21/123,521.82 = 49,224.57/x
  3. Step 3: Cross multiply
    89,508.21x = 123,521.82 × 49,224.57
  4. Step 4: Simplify right side
    89,508.21x = 6,080,308,475.12
  5. Step 5: Solve for x
    x = 6,080,308,475.12/89,508.21
  6. Step 6: Final answer
    x = 67,930.18

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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.