Home / 67,049.18-92,486.82-39,806.77

Finding the Fourth Proportional to 67,049.18, 92,486.82 and 39,806.77

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Solution

The fourth proportional to 67,049.18, 92,486.82 and 39,806.77 is: 54,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,049.18 : 92,486.82 = 39,806.77 : x
  2. Step 2: Convert to fraction form
    67,049.18/92,486.82 = 39,806.77/x
  3. Step 3: Cross multiply
    67,049.18x = 92,486.82 × 39,806.77
  4. Step 4: Simplify right side
    67,049.18x = 3,681,601,571.77
  5. Step 5: Solve for x
    x = 3,681,601,571.77/67,049.18
  6. Step 6: Final answer
    x = 54,908.97

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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.