Home / 49,157.25-73,735.88-12,221.25

Finding the Fourth Proportional to 49,157.25, 73,735.88 and 12,221.25

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Solution

The fourth proportional to 49,157.25, 73,735.88 and 12,221.25 is: 18,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,157.25 : 73,735.88 = 12,221.25 : x
  2. Step 2: Convert to fraction form
    49,157.25/73,735.88 = 12,221.25/x
  3. Step 3: Cross multiply
    49,157.25x = 73,735.88 × 12,221.25
  4. Step 4: Simplify right side
    49,157.25x = 901,144,623.45
  5. Step 5: Solve for x
    x = 901,144,623.45/49,157.25
  6. Step 6: Final answer
    x = 18,331.88

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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.