Home / 103,625.35-155,520.05-40,475.73

Finding the Fourth Proportional to 103,625.35, 155,520.05 and 40,475.73

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Solution

The fourth proportional to 103,625.35, 155,520.05 and 40,475.73 is: 60,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.35 : 155,520.05 = 40,475.73 : x
  2. Step 2: Convert to fraction form
    103,625.35/155,520.05 = 40,475.73/x
  3. Step 3: Cross multiply
    103,625.35x = 155,520.05 × 40,475.73
  4. Step 4: Simplify right side
    103,625.35x = 6,294,787,553.39
  5. Step 5: Solve for x
    x = 6,294,787,553.39/103,625.35
  6. Step 6: Final answer
    x = 60,745.63

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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.