Home / 80,630.30-111,273.60-44,820.91

Finding the Fourth Proportional to 80,630.30, 111,273.60 and 44,820.91

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Solution

The fourth proportional to 80,630.30, 111,273.60 and 44,820.91 is: 61,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630.30 : 111,273.60 = 44,820.91 : x
  2. Step 2: Convert to fraction form
    80,630.30/111,273.60 = 44,820.91/x
  3. Step 3: Cross multiply
    80,630.30x = 111,273.60 × 44,820.91
  4. Step 4: Simplify right side
    80,630.30x = 4,987,384,010.98
  5. Step 5: Solve for x
    x = 4,987,384,010.98/80,630.30
  6. Step 6: Final answer
    x = 61,854.96

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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.