Home / 107,743.77-161,626.59-28,865.97

Finding the Fourth Proportional to 107,743.77, 161,626.59 and 28,865.97

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Solution

The fourth proportional to 107,743.77, 161,626.59 and 28,865.97 is: 43,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,743.77 : 161,626.59 = 28,865.97 : x
  2. Step 2: Convert to fraction form
    107,743.77/161,626.59 = 28,865.97/x
  3. Step 3: Cross multiply
    107,743.77x = 161,626.59 × 28,865.97
  4. Step 4: Simplify right side
    107,743.77x = 4,665,508,298.14
  5. Step 5: Solve for x
    x = 4,665,508,298.14/107,743.77
  6. Step 6: Final answer
    x = 43,301.88

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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.