Home / 89,738.35-123,838.66-49,452.10

Finding the Fourth Proportional to 89,738.35, 123,838.66 and 49,452.10

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Solution

The fourth proportional to 89,738.35, 123,838.66 and 49,452.10 is: 68,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,738.35 : 123,838.66 = 49,452.10 : x
  2. Step 2: Convert to fraction form
    89,738.35/123,838.66 = 49,452.10/x
  3. Step 3: Cross multiply
    89,738.35x = 123,838.66 × 49,452.10
  4. Step 4: Simplify right side
    89,738.35x = 6,124,081,798.19
  5. Step 5: Solve for x
    x = 6,124,081,798.19/89,738.35
  6. Step 6: Final answer
    x = 68,243.75

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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.