Home / 48,800.71-67,345.49-28,664.04

Finding the Fourth Proportional to 48,800.71, 67,345.49 and 28,664.04

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Solution

The fourth proportional to 48,800.71, 67,345.49 and 28,664.04 is: 39,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,800.71 : 67,345.49 = 28,664.04 : x
  2. Step 2: Convert to fraction form
    48,800.71/67,345.49 = 28,664.04/x
  3. Step 3: Cross multiply
    48,800.71x = 67,345.49 × 28,664.04
  4. Step 4: Simplify right side
    48,800.71x = 1,930,394,143.39
  5. Step 5: Solve for x
    x = 1,930,394,143.39/48,800.71
  6. Step 6: Final answer
    x = 39,556.68

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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.