Home / 83,785.46-125,651.55-27,615.10

Finding the Fourth Proportional to 83,785.46, 125,651.55 and 27,615.10

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Solution

The fourth proportional to 83,785.46, 125,651.55 and 27,615.10 is: 41,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,785.46 : 125,651.55 = 27,615.10 : x
  2. Step 2: Convert to fraction form
    83,785.46/125,651.55 = 27,615.10/x
  3. Step 3: Cross multiply
    83,785.46x = 125,651.55 × 27,615.10
  4. Step 4: Simplify right side
    83,785.46x = 3,469,880,118.41
  5. Step 5: Solve for x
    x = 3,469,880,118.41/83,785.46
  6. Step 6: Final answer
    x = 41,413.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.