Home / 49,542.50-68,372.25-28,321.22

Finding the Fourth Proportional to 49,542.50, 68,372.25 and 28,321.22

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Solution

The fourth proportional to 49,542.50, 68,372.25 and 28,321.22 is: 39,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,542.50 : 68,372.25 = 28,321.22 : x
  2. Step 2: Convert to fraction form
    49,542.50/68,372.25 = 28,321.22/x
  3. Step 3: Cross multiply
    49,542.50x = 68,372.25 × 28,321.22
  4. Step 4: Simplify right side
    49,542.50x = 1,936,385,534.15
  5. Step 5: Solve for x
    x = 1,936,385,534.15/49,542.50
  6. Step 6: Final answer
    x = 39,085.34

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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.