Home / 89,795.19-123,922.89-49,508.85

Finding the Fourth Proportional to 89,795.19, 123,922.89 and 49,508.85

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Solution

The fourth proportional to 89,795.19, 123,922.89 and 49,508.85 is: 68,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,795.19 : 123,922.89 = 49,508.85 : x
  2. Step 2: Convert to fraction form
    89,795.19/123,922.89 = 49,508.85/x
  3. Step 3: Cross multiply
    89,795.19x = 123,922.89 × 49,508.85
  4. Step 4: Simplify right side
    89,795.19x = 6,135,279,772.58
  5. Step 5: Solve for x
    x = 6,135,279,772.58/89,795.19
  6. Step 6: Final answer
    x = 68,325.26

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1.5x scale

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.