Home / 103,625.23-155,519.85-40,475.60

Finding the Fourth Proportional to 103,625.23, 155,519.85 and 40,475.60

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Solution

The fourth proportional to 103,625.23, 155,519.85 and 40,475.60 is: 60,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.23 : 155,519.85 = 40,475.60 : x
  2. Step 2: Convert to fraction form
    103,625.23/155,519.85 = 40,475.60/x
  3. Step 3: Cross multiply
    103,625.23x = 155,519.85 × 40,475.60
  4. Step 4: Simplify right side
    103,625.23x = 6,294,759,240.66
  5. Step 5: Solve for x
    x = 6,294,759,240.66/103,625.23
  6. Step 6: Final answer
    x = 60,745.43

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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.