Home / 108,861.57-163,177.54-49,736.03

Finding the Fourth Proportional to 108,861.57, 163,177.54 and 49,736.03

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Solution

The fourth proportional to 108,861.57, 163,177.54 and 49,736.03 is: 74,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.57 : 163,177.54 = 49,736.03 : x
  2. Step 2: Convert to fraction form
    108,861.57/163,177.54 = 49,736.03/x
  3. Step 3: Cross multiply
    108,861.57x = 163,177.54 × 49,736.03
  4. Step 4: Simplify right side
    108,861.57x = 8,115,802,084.54
  5. Step 5: Solve for x
    x = 8,115,802,084.54/108,861.57
  6. Step 6: Final answer
    x = 74,551.58

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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.