Home / 103,805.15-155,609.30-33,635.25

Finding the Fourth Proportional to 103,805.15, 155,609.30 and 33,635.25

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Solution

The fourth proportional to 103,805.15, 155,609.30 and 33,635.25 is: 50,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,805.15 : 155,609.30 = 33,635.25 : x
  2. Step 2: Convert to fraction form
    103,805.15/155,609.30 = 33,635.25/x
  3. Step 3: Cross multiply
    103,805.15x = 155,609.30 × 33,635.25
  4. Step 4: Simplify right side
    103,805.15x = 5,233,957,791.91
  5. Step 5: Solve for x
    x = 5,233,957,791.91/103,805.15
  6. Step 6: Final answer
    x = 50,420.99

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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.