Home / 80,365.03-110,650.70-61,183.22

Finding the Fourth Proportional to 80,365.03, 110,650.70 and 61,183.22

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Solution

The fourth proportional to 80,365.03, 110,650.70 and 61,183.22 is: 84,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,365.03 : 110,650.70 = 61,183.22 : x
  2. Step 2: Convert to fraction form
    80,365.03/110,650.70 = 61,183.22/x
  3. Step 3: Cross multiply
    80,365.03x = 110,650.70 × 61,183.22
  4. Step 4: Simplify right side
    80,365.03x = 6,769,965,720.96
  5. Step 5: Solve for x
    x = 6,769,965,720.96/80,365.03
  6. Step 6: Final answer
    x = 84,240.20

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1.5x scale

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.