Home / 49,709.43-74,561.72-18,542.25

Finding the Fourth Proportional to 49,709.43, 74,561.72 and 18,542.25

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Solution

The fourth proportional to 49,709.43, 74,561.72 and 18,542.25 is: 27,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.43 : 74,561.72 = 18,542.25 : x
  2. Step 2: Convert to fraction form
    49,709.43/74,561.72 = 18,542.25/x
  3. Step 3: Cross multiply
    49,709.43x = 74,561.72 × 18,542.25
  4. Step 4: Simplify right side
    49,709.43x = 1,382,541,959.96
  5. Step 5: Solve for x
    x = 1,382,541,959.96/49,709.43
  6. Step 6: Final answer
    x = 27,812.47

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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.