Home / 49,122.77-73,622.48-21,009.75

Finding the Fourth Proportional to 49,122.77, 73,622.48 and 21,009.75

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Solution

The fourth proportional to 49,122.77, 73,622.48 and 21,009.75 is: 31,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,122.77 : 73,622.48 = 21,009.75 : x
  2. Step 2: Convert to fraction form
    49,122.77/73,622.48 = 21,009.75/x
  3. Step 3: Cross multiply
    49,122.77x = 73,622.48 × 21,009.75
  4. Step 4: Simplify right side
    49,122.77x = 1,546,789,794.13
  5. Step 5: Solve for x
    x = 1,546,789,794.13/49,122.77
  6. Step 6: Final answer
    x = 31,488.24

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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.