Home / 107,360.66-161,028.68-28,481.04

Finding the Fourth Proportional to 107,360.66, 161,028.68 and 28,481.04

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Solution

The fourth proportional to 107,360.66, 161,028.68 and 28,481.04 is: 42,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,360.66 : 161,028.68 = 28,481.04 : x
  2. Step 2: Convert to fraction form
    107,360.66/161,028.68 = 28,481.04/x
  3. Step 3: Cross multiply
    107,360.66x = 161,028.68 × 28,481.04
  4. Step 4: Simplify right side
    107,360.66x = 4,586,264,347.43
  5. Step 5: Solve for x
    x = 4,586,264,347.43/107,360.66
  6. Step 6: Final answer
    x = 42,718.29

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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.