Home / 83,756.92-125,650.77-27,600.34

Finding the Fourth Proportional to 83,756.92, 125,650.77 and 27,600.34

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Solution

The fourth proportional to 83,756.92, 125,650.77 and 27,600.34 is: 41,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,756.92 : 125,650.77 = 27,600.34 : x
  2. Step 2: Convert to fraction form
    83,756.92/125,650.77 = 27,600.34/x
  3. Step 3: Cross multiply
    83,756.92x = 125,650.77 × 27,600.34
  4. Step 4: Simplify right side
    83,756.92x = 3,468,003,207.01
  5. Step 5: Solve for x
    x = 3,468,003,207.01/83,756.92
  6. Step 6: Final answer
    x = 41,405.57

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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.