Home / 61,121.73-84,343.75-33,899.25

Finding the Fourth Proportional to 61,121.73, 84,343.75 and 33,899.25

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Solution

The fourth proportional to 61,121.73, 84,343.75 and 33,899.25 is: 46,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121.73 : 84,343.75 = 33,899.25 : x
  2. Step 2: Convert to fraction form
    61,121.73/84,343.75 = 33,899.25/x
  3. Step 3: Cross multiply
    61,121.73x = 84,343.75 × 33,899.25
  4. Step 4: Simplify right side
    61,121.73x = 2,859,190,098.73
  5. Step 5: Solve for x
    x = 2,859,190,098.73/61,121.73
  6. Step 6: Final answer
    x = 46,778.62

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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.