Home / 43,162.14-64,738.55-11,575.38

Finding the Fourth Proportional to 43,162.14, 64,738.55 and 11,575.38

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Solution

The fourth proportional to 43,162.14, 64,738.55 and 11,575.38 is: 17,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162.14 : 64,738.55 = 11,575.38 : x
  2. Step 2: Convert to fraction form
    43,162.14/64,738.55 = 11,575.38/x
  3. Step 3: Cross multiply
    43,162.14x = 64,738.55 × 11,575.38
  4. Step 4: Simplify right side
    43,162.14x = 749,373,016.25
  5. Step 5: Solve for x
    x = 749,373,016.25/43,162.14
  6. Step 6: Final answer
    x = 17,361.81

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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.