Home / 84,102.12-126,131.66-24,923.96

Finding the Fourth Proportional to 84,102.12, 126,131.66 and 24,923.96

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Solution

The fourth proportional to 84,102.12, 126,131.66 and 24,923.96 is: 37,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,102.12 : 126,131.66 = 24,923.96 : x
  2. Step 2: Convert to fraction form
    84,102.12/126,131.66 = 24,923.96/x
  3. Step 3: Cross multiply
    84,102.12x = 126,131.66 × 24,923.96
  4. Step 4: Simplify right side
    84,102.12x = 3,143,700,448.57
  5. Step 5: Solve for x
    x = 3,143,700,448.57/84,102.12
  6. Step 6: Final answer
    x = 37,379.56

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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.