Home / 67,040.93-92,513.48-40,198.25

Finding the Fourth Proportional to 67,040.93, 92,513.48 and 40,198.25

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Solution

The fourth proportional to 67,040.93, 92,513.48 and 40,198.25 is: 55,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.93 : 92,513.48 = 40,198.25 : x
  2. Step 2: Convert to fraction form
    67,040.93/92,513.48 = 40,198.25/x
  3. Step 3: Cross multiply
    67,040.93x = 92,513.48 × 40,198.25
  4. Step 4: Simplify right side
    67,040.93x = 3,718,879,333.85
  5. Step 5: Solve for x
    x = 3,718,879,333.85/67,040.93
  6. Step 6: Final answer
    x = 55,471.78

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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.