Home / 49,609.94-74,415.11-12,170.25

Finding the Fourth Proportional to 49,609.94, 74,415.11 and 12,170.25

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Solution

The fourth proportional to 49,609.94, 74,415.11 and 12,170.25 is: 18,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,609.94 : 74,415.11 = 12,170.25 : x
  2. Step 2: Convert to fraction form
    49,609.94/74,415.11 = 12,170.25/x
  3. Step 3: Cross multiply
    49,609.94x = 74,415.11 × 12,170.25
  4. Step 4: Simplify right side
    49,609.94x = 905,650,555.07
  5. Step 5: Solve for x
    x = 905,650,555.07/49,609.94
  6. Step 6: Final answer
    x = 18,255.43

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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.