Home / 89,614.70-123,640.44-50,846.12

Finding the Fourth Proportional to 89,614.70, 123,640.44 and 50,846.12

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Solution

The fourth proportional to 89,614.70, 123,640.44 and 50,846.12 is: 70,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.70 : 123,640.44 = 50,846.12 : x
  2. Step 2: Convert to fraction form
    89,614.70/123,640.44 = 50,846.12/x
  3. Step 3: Cross multiply
    89,614.70x = 123,640.44 × 50,846.12
  4. Step 4: Simplify right side
    89,614.70x = 6,286,636,649.09
  5. Step 5: Solve for x
    x = 6,286,636,649.09/89,614.70
  6. Step 6: Final answer
    x = 70,151.85

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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.