Home / 108,217.22-162,325.82-29,331.45

Finding the Fourth Proportional to 108,217.22, 162,325.82 and 29,331.45

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Solution

The fourth proportional to 108,217.22, 162,325.82 and 29,331.45 is: 43,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,217.22 : 162,325.82 = 29,331.45 : x
  2. Step 2: Convert to fraction form
    108,217.22/162,325.82 = 29,331.45/x
  3. Step 3: Cross multiply
    108,217.22x = 162,325.82 × 29,331.45
  4. Step 4: Simplify right side
    108,217.22x = 4,761,251,746.37
  5. Step 5: Solve for x
    x = 4,761,251,746.37/108,217.22
  6. Step 6: Final answer
    x = 43,997.17

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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.