Home / 107,930.86-161,919.33-37,814.38

Finding the Fourth Proportional to 107,930.86, 161,919.33 and 37,814.38

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Solution

The fourth proportional to 107,930.86, 161,919.33 and 37,814.38 is: 56,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,930.86 : 161,919.33 = 37,814.38 : x
  2. Step 2: Convert to fraction form
    107,930.86/161,919.33 = 37,814.38/x
  3. Step 3: Cross multiply
    107,930.86x = 161,919.33 × 37,814.38
  4. Step 4: Simplify right side
    107,930.86x = 6,122,879,073.97
  5. Step 5: Solve for x
    x = 6,122,879,073.97/107,930.86
  6. Step 6: Final answer
    x = 56,729.64

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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.