Home / 89,611.69-123,663.14-49,324.58

Finding the Fourth Proportional to 89,611.69, 123,663.14 and 49,324.58

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Solution

The fourth proportional to 89,611.69, 123,663.14 and 49,324.58 is: 68,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611.69 : 123,663.14 = 49,324.58 : x
  2. Step 2: Convert to fraction form
    89,611.69/123,663.14 = 49,324.58/x
  3. Step 3: Cross multiply
    89,611.69x = 123,663.14 × 49,324.58
  4. Step 4: Simplify right side
    89,611.69x = 6,099,632,441.98
  5. Step 5: Solve for x
    x = 6,099,632,441.98/89,611.69
  6. Step 6: Final answer
    x = 68,067.38

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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.