Home / 108,531.40-162,821.40-41,965.60

Finding the Fourth Proportional to 108,531.40, 162,821.40 and 41,965.60

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Solution

The fourth proportional to 108,531.40, 162,821.40 and 41,965.60 is: 62,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,531.40 : 162,821.40 = 41,965.60 : x
  2. Step 2: Convert to fraction form
    108,531.40/162,821.40 = 41,965.60/x
  3. Step 3: Cross multiply
    108,531.40x = 162,821.40 × 41,965.60
  4. Step 4: Simplify right side
    108,531.40x = 6,832,897,743.84
  5. Step 5: Solve for x
    x = 6,832,897,743.84/108,531.40
  6. Step 6: Final answer
    x = 62,957.80

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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.