Home / 45,111.96-67,661.22-11,832.60

Finding the Fourth Proportional to 45,111.96, 67,661.22 and 11,832.60

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Solution

The fourth proportional to 45,111.96, 67,661.22 and 11,832.60 is: 17,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,111.96 : 67,661.22 = 11,832.60 : x
  2. Step 2: Convert to fraction form
    45,111.96/67,661.22 = 11,832.60/x
  3. Step 3: Cross multiply
    45,111.96x = 67,661.22 × 11,832.60
  4. Step 4: Simplify right side
    45,111.96x = 800,608,151.77
  5. Step 5: Solve for x
    x = 800,608,151.77/45,111.96
  6. Step 6: Final answer
    x = 17,747.14

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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.