Home / 80,649.72-111,290.22-44,837.64

Finding the Fourth Proportional to 80,649.72, 111,290.22 and 44,837.64

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Solution

The fourth proportional to 80,649.72, 111,290.22 and 44,837.64 is: 61,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.72 : 111,290.22 = 44,837.64 : x
  2. Step 2: Convert to fraction form
    80,649.72/111,290.22 = 44,837.64/x
  3. Step 3: Cross multiply
    80,649.72x = 111,290.22 × 44,837.64
  4. Step 4: Simplify right side
    80,649.72x = 4,989,990,819.88
  5. Step 5: Solve for x
    x = 4,989,990,819.88/80,649.72
  6. Step 6: Final answer
    x = 61,872.39

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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.