Home / 80,455.35-111,033.60-44,645.46

Finding the Fourth Proportional to 80,455.35, 111,033.60 and 44,645.46

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Solution

The fourth proportional to 80,455.35, 111,033.60 and 44,645.46 is: 61,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455.35 : 111,033.60 = 44,645.46 : x
  2. Step 2: Convert to fraction form
    80,455.35/111,033.60 = 44,645.46/x
  3. Step 3: Cross multiply
    80,455.35x = 111,033.60 × 44,645.46
  4. Step 4: Simplify right side
    80,455.35x = 4,957,146,147.46
  5. Step 5: Solve for x
    x = 4,957,146,147.46/80,455.35
  6. Step 6: Final answer
    x = 61,613.63

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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.