Home / 108,568.38-162,629.28-52,242.21

Finding the Fourth Proportional to 108,568.38, 162,629.28 and 52,242.21

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Solution

The fourth proportional to 108,568.38, 162,629.28 and 52,242.21 is: 78,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,568.38 : 162,629.28 = 52,242.21 : x
  2. Step 2: Convert to fraction form
    108,568.38/162,629.28 = 52,242.21/x
  3. Step 3: Cross multiply
    108,568.38x = 162,629.28 × 52,242.21
  4. Step 4: Simplify right side
    108,568.38x = 8,496,112,997.91
  5. Step 5: Solve for x
    x = 8,496,112,997.91/108,568.38
  6. Step 6: Final answer
    x = 78,255.87

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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.