Home / 49,131.09-67,798.89-27,908.01

Finding the Fourth Proportional to 49,131.09, 67,798.89 and 27,908.01

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Solution

The fourth proportional to 49,131.09, 67,798.89 and 27,908.01 is: 38,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,131.09 : 67,798.89 = 27,908.01 : x
  2. Step 2: Convert to fraction form
    49,131.09/67,798.89 = 27,908.01/x
  3. Step 3: Cross multiply
    49,131.09x = 67,798.89 × 27,908.01
  4. Step 4: Simplify right side
    49,131.09x = 1,892,132,100.11
  5. Step 5: Solve for x
    x = 1,892,132,100.11/49,131.09
  6. Step 6: Final answer
    x = 38,511.91

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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.