Home / 49,129.03-67,809.00-31,220.54

Finding the Fourth Proportional to 49,129.03, 67,809.00 and 31,220.54

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Solution

The fourth proportional to 49,129.03, 67,809.00 and 31,220.54 is: 43,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.03 : 67,809.00 = 31,220.54 : x
  2. Step 2: Convert to fraction form
    49,129.03/67,809.00 = 31,220.54/x
  3. Step 3: Cross multiply
    49,129.03x = 67,809.00 × 31,220.54
  4. Step 4: Simplify right side
    49,129.03x = 2,117,033,453.56
  5. Step 5: Solve for x
    x = 2,117,033,453.56/49,129.03
  6. Step 6: Final answer
    x = 43,091.29

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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.