Home / 49,771.67-68,752.09-39,770.29

Finding the Fourth Proportional to 49,771.67, 68,752.09 and 39,770.29

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Solution

The fourth proportional to 49,771.67, 68,752.09 and 39,770.29 is: 54,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.67 : 68,752.09 = 39,770.29 : x
  2. Step 2: Convert to fraction form
    49,771.67/68,752.09 = 39,770.29/x
  3. Step 3: Cross multiply
    49,771.67x = 68,752.09 × 39,770.29
  4. Step 4: Simplify right side
    49,771.67x = 2,734,290,693.06
  5. Step 5: Solve for x
    x = 2,734,290,693.06/49,771.67
  6. Step 6: Final answer
    x = 54,936.69

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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.