Home / 107,867.58-161,786.25-45,523.50

Finding the Fourth Proportional to 107,867.58, 161,786.25 and 45,523.50

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Solution

The fourth proportional to 107,867.58, 161,786.25 and 45,523.50 is: 68,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,867.58 : 161,786.25 = 45,523.50 : x
  2. Step 2: Convert to fraction form
    107,867.58/161,786.25 = 45,523.50/x
  3. Step 3: Cross multiply
    107,867.58x = 161,786.25 × 45,523.50
  4. Step 4: Simplify right side
    107,867.58x = 7,365,076,351.88
  5. Step 5: Solve for x
    x = 7,365,076,351.88/107,867.58
  6. Step 6: Final answer
    x = 68,278.87

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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.