Home / 49,137.87-67,812.08-27,920.73

Finding the Fourth Proportional to 49,137.87, 67,812.08 and 27,920.73

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Solution

The fourth proportional to 49,137.87, 67,812.08 and 27,920.73 is: 38,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,137.87 : 67,812.08 = 27,920.73 : x
  2. Step 2: Convert to fraction form
    49,137.87/67,812.08 = 27,920.73/x
  3. Step 3: Cross multiply
    49,137.87x = 67,812.08 × 27,920.73
  4. Step 4: Simplify right side
    49,137.87x = 1,893,362,636.81
  5. Step 5: Solve for x
    x = 1,893,362,636.81/49,137.87
  6. Step 6: Final answer
    x = 38,531.64

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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.