Home / 103,693.33-155,540-33,579.73

Finding the Fourth Proportional to 103,693.33, 155,540 and 33,579.73

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Solution

The fourth proportional to 103,693.33, 155,540 and 33,579.73 is: 50,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,693.33 : 155,540 = 33,579.73 : x
  2. Step 2: Convert to fraction form
    103,693.33/155,540 = 33,579.73/x
  3. Step 3: Cross multiply
    103,693.33x = 155,540 × 33,579.73
  4. Step 4: Simplify right side
    103,693.33x = 5,222,991,204.20
  5. Step 5: Solve for x
    x = 5,222,991,204.20/103,693.33
  6. Step 6: Final answer
    x = 50,369.60

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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.