Home / 107,882.67-161,823.77-28,996.90

Finding the Fourth Proportional to 107,882.67, 161,823.77 and 28,996.90

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Solution

The fourth proportional to 107,882.67, 161,823.77 and 28,996.90 is: 43,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,882.67 : 161,823.77 = 28,996.90 : x
  2. Step 2: Convert to fraction form
    107,882.67/161,823.77 = 28,996.90/x
  3. Step 3: Cross multiply
    107,882.67x = 161,823.77 × 28,996.90
  4. Step 4: Simplify right side
    107,882.67x = 4,692,387,398.62
  5. Step 5: Solve for x
    x = 4,692,387,398.62/107,882.67
  6. Step 6: Final answer
    x = 43,495.28

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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.