Home / 73,128.33-109,693.26-25,744.77

Finding the Fourth Proportional to 73,128.33, 109,693.26 and 25,744.77

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Solution

The fourth proportional to 73,128.33, 109,693.26 and 25,744.77 is: 38,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,128.33 : 109,693.26 = 25,744.77 : x
  2. Step 2: Convert to fraction form
    73,128.33/109,693.26 = 25,744.77/x
  3. Step 3: Cross multiply
    73,128.33x = 109,693.26 × 25,744.77
  4. Step 4: Simplify right side
    73,128.33x = 2,824,027,749.25
  5. Step 5: Solve for x
    x = 2,824,027,749.25/73,128.33
  6. Step 6: Final answer
    x = 38,617.42

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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.