Home / 107,984.74-161,975.94-36,906.70

Finding the Fourth Proportional to 107,984.74, 161,975.94 and 36,906.70

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Solution

The fourth proportional to 107,984.74, 161,975.94 and 36,906.70 is: 55,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,984.74 : 161,975.94 = 36,906.70 : x
  2. Step 2: Convert to fraction form
    107,984.74/161,975.94 = 36,906.70/x
  3. Step 3: Cross multiply
    107,984.74x = 161,975.94 × 36,906.70
  4. Step 4: Simplify right side
    107,984.74x = 5,977,997,424.80
  5. Step 5: Solve for x
    x = 5,977,997,424.80/107,984.74
  6. Step 6: Final answer
    x = 55,359.65

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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.