Home / 49,400.25-74,100.54-11,960.25

Finding the Fourth Proportional to 49,400.25, 74,100.54 and 11,960.25

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Solution

The fourth proportional to 49,400.25, 74,100.54 and 11,960.25 is: 17,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.25 : 74,100.54 = 11,960.25 : x
  2. Step 2: Convert to fraction form
    49,400.25/74,100.54 = 11,960.25/x
  3. Step 3: Cross multiply
    49,400.25x = 74,100.54 × 11,960.25
  4. Step 4: Simplify right side
    49,400.25x = 886,260,983.54
  5. Step 5: Solve for x
    x = 886,260,983.54/49,400.25
  6. Step 6: Final answer
    x = 17,940.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.