Home / 99,687.38-149,556.26-33,127.82

Finding the Fourth Proportional to 99,687.38, 149,556.26 and 33,127.82

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Solution

The fourth proportional to 99,687.38, 149,556.26 and 33,127.82 is: 49,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,687.38 : 149,556.26 = 33,127.82 : x
  2. Step 2: Convert to fraction form
    99,687.38/149,556.26 = 33,127.82/x
  3. Step 3: Cross multiply
    99,687.38x = 149,556.26 × 33,127.82
  4. Step 4: Simplify right side
    99,687.38x = 4,954,472,861.15
  5. Step 5: Solve for x
    x = 4,954,472,861.15/99,687.38
  6. Step 6: Final answer
    x = 49,700.10

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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.