Home / 51,768.63-77,640.12-22,183.11

Finding the Fourth Proportional to 51,768.63, 77,640.12 and 22,183.11

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Solution

The fourth proportional to 51,768.63, 77,640.12 and 22,183.11 is: 33,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.63 : 77,640.12 = 22,183.11 : x
  2. Step 2: Convert to fraction form
    51,768.63/77,640.12 = 22,183.11/x
  3. Step 3: Cross multiply
    51,768.63x = 77,640.12 × 22,183.11
  4. Step 4: Simplify right side
    51,768.63x = 1,722,299,322.37
  5. Step 5: Solve for x
    x = 1,722,299,322.37/51,768.63
  6. Step 6: Final answer
    x = 33,269.17

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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.