Home / 103,629.45-155,444.18-33,515.85

Finding the Fourth Proportional to 103,629.45, 155,444.18 and 33,515.85

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Solution

The fourth proportional to 103,629.45, 155,444.18 and 33,515.85 is: 50,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.45 : 155,444.18 = 33,515.85 : x
  2. Step 2: Convert to fraction form
    103,629.45/155,444.18 = 33,515.85/x
  3. Step 3: Cross multiply
    103,629.45x = 155,444.18 × 33,515.85
  4. Step 4: Simplify right side
    103,629.45x = 5,209,843,652.67
  5. Step 5: Solve for x
    x = 5,209,843,652.67/103,629.45
  6. Step 6: Final answer
    x = 50,273.78

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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.