Home / 107,832.80-161,768.64-36,751.52

Finding the Fourth Proportional to 107,832.80, 161,768.64 and 36,751.52

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Solution

The fourth proportional to 107,832.80, 161,768.64 and 36,751.52 is: 55,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,832.80 : 161,768.64 = 36,751.52 : x
  2. Step 2: Convert to fraction form
    107,832.80/161,768.64 = 36,751.52/x
  3. Step 3: Cross multiply
    107,832.80x = 161,768.64 × 36,751.52
  4. Step 4: Simplify right side
    107,832.80x = 5,945,243,408.33
  5. Step 5: Solve for x
    x = 5,945,243,408.33/107,832.80
  6. Step 6: Final answer
    x = 55,133.91

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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.