Home / 71,391.97-98,518.44-39,563.83

Finding the Fourth Proportional to 71,391.97, 98,518.44 and 39,563.83

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Solution

The fourth proportional to 71,391.97, 98,518.44 and 39,563.83 is: 54,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,391.97 : 98,518.44 = 39,563.83 : x
  2. Step 2: Convert to fraction form
    71,391.97/98,518.44 = 39,563.83/x
  3. Step 3: Cross multiply
    71,391.97x = 98,518.44 × 39,563.83
  4. Step 4: Simplify right side
    71,391.97x = 3,897,766,812.03
  5. Step 5: Solve for x
    x = 3,897,766,812.03/71,391.97
  6. Step 6: Final answer
    x = 54,596.71

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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.