Home / 61,110.06-91,678.89-27,821.22

Finding the Fourth Proportional to 61,110.06, 91,678.89 and 27,821.22

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Solution

The fourth proportional to 61,110.06, 91,678.89 and 27,821.22 is: 41,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,110.06 : 91,678.89 = 27,821.22 : x
  2. Step 2: Convert to fraction form
    61,110.06/91,678.89 = 27,821.22/x
  3. Step 3: Cross multiply
    61,110.06x = 91,678.89 × 27,821.22
  4. Step 4: Simplify right side
    61,110.06x = 2,550,618,568.05
  5. Step 5: Solve for x
    x = 2,550,618,568.05/61,110.06
  6. Step 6: Final answer
    x = 41,738.11

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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.