Home / 107,867.86-161,874.69-37,747.78

Finding the Fourth Proportional to 107,867.86, 161,874.69 and 37,747.78

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Solution

The fourth proportional to 107,867.86, 161,874.69 and 37,747.78 is: 56,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,867.86 : 161,874.69 = 37,747.78 : x
  2. Step 2: Convert to fraction form
    107,867.86/161,874.69 = 37,747.78/x
  3. Step 3: Cross multiply
    107,867.86x = 161,874.69 × 37,747.78
  4. Step 4: Simplify right side
    107,867.86x = 6,110,409,781.00
  5. Step 5: Solve for x
    x = 6,110,409,781.00/107,867.86
  6. Step 6: Final answer
    x = 56,647.18

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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.