Home / 107,914.09-161,885.91-36,817.66

Finding the Fourth Proportional to 107,914.09, 161,885.91 and 36,817.66

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Solution

The fourth proportional to 107,914.09, 161,885.91 and 36,817.66 is: 55,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,914.09 : 161,885.91 = 36,817.66 : x
  2. Step 2: Convert to fraction form
    107,914.09/161,885.91 = 36,817.66/x
  3. Step 3: Cross multiply
    107,914.09x = 161,885.91 × 36,817.66
  4. Step 4: Simplify right side
    107,914.09x = 5,960,260,393.17
  5. Step 5: Solve for x
    x = 5,960,260,393.17/107,914.09
  6. Step 6: Final answer
    x = 55,231.53

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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.