Home / 80,512.41-111,110.60-44,702.42

Finding the Fourth Proportional to 80,512.41, 111,110.60 and 44,702.42

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Solution

The fourth proportional to 80,512.41, 111,110.60 and 44,702.42 is: 61,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,512.41 : 111,110.60 = 44,702.42 : x
  2. Step 2: Convert to fraction form
    80,512.41/111,110.60 = 44,702.42/x
  3. Step 3: Cross multiply
    80,512.41x = 111,110.60 × 44,702.42
  4. Step 4: Simplify right side
    80,512.41x = 4,966,912,484.14
  5. Step 5: Solve for x
    x = 4,966,912,484.14/80,512.41
  6. Step 6: Final answer
    x = 61,691.27

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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.