Home / 49,309.09-68,046.38-28,091.95

Finding the Fourth Proportional to 49,309.09, 68,046.38 and 28,091.95

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Solution

The fourth proportional to 49,309.09, 68,046.38 and 28,091.95 is: 38,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,309.09 : 68,046.38 = 28,091.95 : x
  2. Step 2: Convert to fraction form
    49,309.09/68,046.38 = 28,091.95/x
  3. Step 3: Cross multiply
    49,309.09x = 68,046.38 × 28,091.95
  4. Step 4: Simplify right side
    49,309.09x = 1,911,555,299.41
  5. Step 5: Solve for x
    x = 1,911,555,299.41/49,309.09
  6. Step 6: Final answer
    x = 38,766.80

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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.