Home / 80,175.41-120,261.85-27,585.35

Finding the Fourth Proportional to 80,175.41, 120,261.85 and 27,585.35

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Solution

The fourth proportional to 80,175.41, 120,261.85 and 27,585.35 is: 41,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,175.41 : 120,261.85 = 27,585.35 : x
  2. Step 2: Convert to fraction form
    80,175.41/120,261.85 = 27,585.35/x
  3. Step 3: Cross multiply
    80,175.41x = 120,261.85 × 27,585.35
  4. Step 4: Simplify right side
    80,175.41x = 3,317,465,223.90
  5. Step 5: Solve for x
    x = 3,317,465,223.90/80,175.41
  6. Step 6: Final answer
    x = 41,377.59

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1.5x scale

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.