Home / 107,412.27-161,134.80-54,793.05

Finding the Fourth Proportional to 107,412.27, 161,134.80 and 54,793.05

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Solution

The fourth proportional to 107,412.27, 161,134.80 and 54,793.05 is: 82,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.27 : 161,134.80 = 54,793.05 : x
  2. Step 2: Convert to fraction form
    107,412.27/161,134.80 = 54,793.05/x
  3. Step 3: Cross multiply
    107,412.27x = 161,134.80 × 54,793.05
  4. Step 4: Simplify right side
    107,412.27x = 8,829,067,153.14
  5. Step 5: Solve for x
    x = 8,829,067,153.14/107,412.27
  6. Step 6: Final answer
    x = 82,197.94

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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.