Home / 108,249.79-162,399.29-49,102.38

Finding the Fourth Proportional to 108,249.79, 162,399.29 and 49,102.38

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Solution

The fourth proportional to 108,249.79, 162,399.29 and 49,102.38 is: 73,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,249.79 : 162,399.29 = 49,102.38 : x
  2. Step 2: Convert to fraction form
    108,249.79/162,399.29 = 49,102.38/x
  3. Step 3: Cross multiply
    108,249.79x = 162,399.29 × 49,102.38
  4. Step 4: Simplify right side
    108,249.79x = 7,974,191,649.31
  5. Step 5: Solve for x
    x = 7,974,191,649.31/108,249.79
  6. Step 6: Final answer
    x = 73,664.73

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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.