Home / 89,814.08-123,942.68-49,529.52

Finding the Fourth Proportional to 89,814.08, 123,942.68 and 49,529.52

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Solution

The fourth proportional to 89,814.08, 123,942.68 and 49,529.52 is: 68,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.08 : 123,942.68 = 49,529.52 : x
  2. Step 2: Convert to fraction form
    89,814.08/123,942.68 = 49,529.52/x
  3. Step 3: Cross multiply
    89,814.08x = 123,942.68 × 49,529.52
  4. Step 4: Simplify right side
    89,814.08x = 6,138,821,447.91
  5. Step 5: Solve for x
    x = 6,138,821,447.91/89,814.08
  6. Step 6: Final answer
    x = 68,350.32

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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.