Home / 108,221.62-149,345.60-60,474.97

Finding the Fourth Proportional to 108,221.62, 149,345.60 and 60,474.97

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Solution

The fourth proportional to 108,221.62, 149,345.60 and 60,474.97 is: 83,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.62 : 149,345.60 = 60,474.97 : x
  2. Step 2: Convert to fraction form
    108,221.62/149,345.60 = 60,474.97/x
  3. Step 3: Cross multiply
    108,221.62x = 149,345.60 × 60,474.97
  4. Step 4: Simplify right side
    108,221.62x = 9,031,670,563.94
  5. Step 5: Solve for x
    x = 9,031,670,563.94/108,221.62
  6. Step 6: Final answer
    x = 83,455.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.