Home / 80,512.62-111,110.90-44,702.64

Finding the Fourth Proportional to 80,512.62, 111,110.90 and 44,702.64

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Solution

The fourth proportional to 80,512.62, 111,110.90 and 44,702.64 is: 61,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,512.62 : 111,110.90 = 44,702.64 : x
  2. Step 2: Convert to fraction form
    80,512.62/111,110.90 = 44,702.64/x
  3. Step 3: Cross multiply
    80,512.62x = 111,110.90 × 44,702.64
  4. Step 4: Simplify right side
    80,512.62x = 4,966,950,562.78
  5. Step 5: Solve for x
    x = 4,966,950,562.78/80,512.62
  6. Step 6: Final answer
    x = 61,691.58

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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.