Home / 80,295.22-110,859.40-51,627.76

Finding the Fourth Proportional to 80,295.22, 110,859.40 and 51,627.76

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Solution

The fourth proportional to 80,295.22, 110,859.40 and 51,627.76 is: 71,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,295.22 : 110,859.40 = 51,627.76 : x
  2. Step 2: Convert to fraction form
    80,295.22/110,859.40 = 51,627.76/x
  3. Step 3: Cross multiply
    80,295.22x = 110,859.40 × 51,627.76
  4. Step 4: Simplify right side
    80,295.22x = 5,723,422,348.86
  5. Step 5: Solve for x
    x = 5,723,422,348.86/80,295.22
  6. Step 6: Final answer
    x = 71,279.74

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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.