Home / 49,578.47-74,288.42-44,542.90

Finding the Fourth Proportional to 49,578.47, 74,288.42 and 44,542.90

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Solution

The fourth proportional to 49,578.47, 74,288.42 and 44,542.90 is: 66,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,578.47 : 74,288.42 = 44,542.90 : x
  2. Step 2: Convert to fraction form
    49,578.47/74,288.42 = 44,542.90/x
  3. Step 3: Cross multiply
    49,578.47x = 74,288.42 × 44,542.90
  4. Step 4: Simplify right side
    49,578.47x = 3,309,021,663.22
  5. Step 5: Solve for x
    x = 3,309,021,663.22/49,578.47
  6. Step 6: Final answer
    x = 66,743.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.