Home / 49,400.32-74,100.67-11,960.33

Finding the Fourth Proportional to 49,400.32, 74,100.67 and 11,960.33

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Solution

The fourth proportional to 49,400.32, 74,100.67 and 11,960.33 is: 17,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.32 : 74,100.67 = 11,960.33 : x
  2. Step 2: Convert to fraction form
    49,400.32/74,100.67 = 11,960.33/x
  3. Step 3: Cross multiply
    49,400.32x = 74,100.67 × 11,960.33
  4. Step 4: Simplify right side
    49,400.32x = 886,268,466.42
  5. Step 5: Solve for x
    x = 886,268,466.42/49,400.32
  6. Step 6: Final answer
    x = 17,940.54

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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.