Home / 49,901.72-68,861.45-27,236.21

Finding the Fourth Proportional to 49,901.72, 68,861.45 and 27,236.21

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Solution

The fourth proportional to 49,901.72, 68,861.45 and 27,236.21 is: 37,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,901.72 : 68,861.45 = 27,236.21 : x
  2. Step 2: Convert to fraction form
    49,901.72/68,861.45 = 27,236.21/x
  3. Step 3: Cross multiply
    49,901.72x = 68,861.45 × 27,236.21
  4. Step 4: Simplify right side
    49,901.72x = 1,875,524,776.92
  5. Step 5: Solve for x
    x = 1,875,524,776.92/49,901.72
  6. Step 6: Final answer
    x = 37,584.37

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Double scale
Find fourth proportional to 49,902.72, 68,862.82 and 27,237.21
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1.5x scale

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.