Home / 80,272.41-110,746.19-51,993.69

Finding the Fourth Proportional to 80,272.41, 110,746.19 and 51,993.69

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Solution

The fourth proportional to 80,272.41, 110,746.19 and 51,993.69 is: 71,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,272.41 : 110,746.19 = 51,993.69 : x
  2. Step 2: Convert to fraction form
    80,272.41/110,746.19 = 51,993.69/x
  3. Step 3: Cross multiply
    80,272.41x = 110,746.19 × 51,993.69
  4. Step 4: Simplify right side
    80,272.41x = 5,758,102,811.57
  5. Step 5: Solve for x
    x = 5,758,102,811.57/80,272.41
  6. Step 6: Final answer
    x = 71,732.03

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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.