Home / 49,211.55-67,950.63-39,620.97

Finding the Fourth Proportional to 49,211.55, 67,950.63 and 39,620.97

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Solution

The fourth proportional to 49,211.55, 67,950.63 and 39,620.97 is: 54,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211.55 : 67,950.63 = 39,620.97 : x
  2. Step 2: Convert to fraction form
    49,211.55/67,950.63 = 39,620.97/x
  3. Step 3: Cross multiply
    49,211.55x = 67,950.63 × 39,620.97
  4. Step 4: Simplify right side
    49,211.55x = 2,692,269,872.71
  5. Step 5: Solve for x
    x = 2,692,269,872.71/49,211.55
  6. Step 6: Final answer
    x = 54,708.09

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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.