Home / 108,541.03-162,531.14-74,910.82

Finding the Fourth Proportional to 108,541.03, 162,531.14 and 74,910.82

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Solution

The fourth proportional to 108,541.03, 162,531.14 and 74,910.82 is: 112,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.03 : 162,531.14 = 74,910.82 : x
  2. Step 2: Convert to fraction form
    108,541.03/162,531.14 = 74,910.82/x
  3. Step 3: Cross multiply
    108,541.03x = 162,531.14 × 74,910.82
  4. Step 4: Simplify right side
    108,541.03x = 12,175,340,753.88
  5. Step 5: Solve for x
    x = 12,175,340,753.88/108,541.03
  6. Step 6: Final answer
    x = 112,172.71

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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.