Home / 108,408.78-162,682.56-58,523.61

Finding the Fourth Proportional to 108,408.78, 162,682.56 and 58,523.61

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Solution

The fourth proportional to 108,408.78, 162,682.56 and 58,523.61 is: 87,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,408.78 : 162,682.56 = 58,523.61 : x
  2. Step 2: Convert to fraction form
    108,408.78/162,682.56 = 58,523.61/x
  3. Step 3: Cross multiply
    108,408.78x = 162,682.56 × 58,523.61
  4. Step 4: Simplify right side
    108,408.78x = 9,520,770,695.24
  5. Step 5: Solve for x
    x = 9,520,770,695.24/108,408.78
  6. Step 6: Final answer
    x = 87,822.87

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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.