Home / 112,982.73-169,299.04-71,342.25

Finding the Fourth Proportional to 112,982.73, 169,299.04 and 71,342.25

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Solution

The fourth proportional to 112,982.73, 169,299.04 and 71,342.25 is: 106,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.73 : 169,299.04 = 71,342.25 : x
  2. Step 2: Convert to fraction form
    112,982.73/169,299.04 = 71,342.25/x
  3. Step 3: Cross multiply
    112,982.73x = 169,299.04 × 71,342.25
  4. Step 4: Simplify right side
    112,982.73x = 12,078,174,436.44
  5. Step 5: Solve for x
    x = 12,078,174,436.44/112,982.73
  6. Step 6: Final answer
    x = 106,902.84

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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.