Home / 108,333.13-162,520.05-49,172.96

Finding the Fourth Proportional to 108,333.13, 162,520.05 and 49,172.96

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Solution

The fourth proportional to 108,333.13, 162,520.05 and 49,172.96 is: 73,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,333.13 : 162,520.05 = 49,172.96 : x
  2. Step 2: Convert to fraction form
    108,333.13/162,520.05 = 49,172.96/x
  3. Step 3: Cross multiply
    108,333.13x = 162,520.05 × 49,172.96
  4. Step 4: Simplify right side
    108,333.13x = 7,991,591,917.85
  5. Step 5: Solve for x
    x = 7,991,591,917.85/108,333.13
  6. Step 6: Final answer
    x = 73,768.68

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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.