Home / 27,799.63-41,705.11-8,077.75

Finding the Fourth Proportional to 27,799.63, 41,705.11 and 8,077.75

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Solution

The fourth proportional to 27,799.63, 41,705.11 and 8,077.75 is: 12,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.63 : 41,705.11 = 8,077.75 : x
  2. Step 2: Convert to fraction form
    27,799.63/41,705.11 = 8,077.75/x
  3. Step 3: Cross multiply
    27,799.63x = 41,705.11 × 8,077.75
  4. Step 4: Simplify right side
    27,799.63x = 336,883,358.14
  5. Step 5: Solve for x
    x = 336,883,358.14/27,799.63
  6. Step 6: Final answer
    x = 12,118.27

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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.