Home / 80,100.12-110,537.52-44,291.64

Finding the Fourth Proportional to 80,100.12, 110,537.52 and 44,291.64

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Solution

The fourth proportional to 80,100.12, 110,537.52 and 44,291.64 is: 61,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,100.12 : 110,537.52 = 44,291.64 : x
  2. Step 2: Convert to fraction form
    80,100.12/110,537.52 = 44,291.64/x
  3. Step 3: Cross multiply
    80,100.12x = 110,537.52 × 44,291.64
  4. Step 4: Simplify right side
    80,100.12x = 4,895,888,042.33
  5. Step 5: Solve for x
    x = 4,895,888,042.33/80,100.12
  6. Step 6: Final answer
    x = 61,122.11

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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.