Home / 49,136.66-67,800.09-28,992.02

Finding the Fourth Proportional to 49,136.66, 67,800.09 and 28,992.02

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Solution

The fourth proportional to 49,136.66, 67,800.09 and 28,992.02 is: 40,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.66 : 67,800.09 = 28,992.02 : x
  2. Step 2: Convert to fraction form
    49,136.66/67,800.09 = 28,992.02/x
  3. Step 3: Cross multiply
    49,136.66x = 67,800.09 × 28,992.02
  4. Step 4: Simplify right side
    49,136.66x = 1,965,661,565.28
  5. Step 5: Solve for x
    x = 1,965,661,565.28/49,136.66
  6. Step 6: Final answer
    x = 40,003.97

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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.