Home / 103,685.33-155,528-33,571.73

Finding the Fourth Proportional to 103,685.33, 155,528 and 33,571.73

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Solution

The fourth proportional to 103,685.33, 155,528 and 33,571.73 is: 50,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685.33 : 155,528 = 33,571.73 : x
  2. Step 2: Convert to fraction form
    103,685.33/155,528 = 33,571.73/x
  3. Step 3: Cross multiply
    103,685.33x = 155,528 × 33,571.73
  4. Step 4: Simplify right side
    103,685.33x = 5,221,344,023.44
  5. Step 5: Solve for x
    x = 5,221,344,023.44/103,685.33
  6. Step 6: Final answer
    x = 50,357.60

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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.