Home / 107,741.96-161,513.16-55,035.20

Finding the Fourth Proportional to 107,741.96, 161,513.16 and 55,035.20

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Solution

The fourth proportional to 107,741.96, 161,513.16 and 55,035.20 is: 82,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,741.96 : 161,513.16 = 55,035.20 : x
  2. Step 2: Convert to fraction form
    107,741.96/161,513.16 = 55,035.20/x
  3. Step 3: Cross multiply
    107,741.96x = 161,513.16 × 55,035.20
  4. Step 4: Simplify right side
    107,741.96x = 8,888,909,063.23
  5. Step 5: Solve for x
    x = 8,888,909,063.23/107,741.96
  6. Step 6: Final answer
    x = 82,501.83

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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.