Home / 27,812.35-41,718.66-8,091.01

Finding the Fourth Proportional to 27,812.35, 41,718.66 and 8,091.01

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Solution

The fourth proportional to 27,812.35, 41,718.66 and 8,091.01 is: 12,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.35 : 41,718.66 = 8,091.01 : x
  2. Step 2: Convert to fraction form
    27,812.35/41,718.66 = 8,091.01/x
  3. Step 3: Cross multiply
    27,812.35x = 41,718.66 × 8,091.01
  4. Step 4: Simplify right side
    27,812.35x = 337,546,095.25
  5. Step 5: Solve for x
    x = 337,546,095.25/27,812.35
  6. Step 6: Final answer
    x = 12,136.55

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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.