Home / 103,886.20-155,730.66-33,716.44

Finding the Fourth Proportional to 103,886.20, 155,730.66 and 33,716.44

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Solution

The fourth proportional to 103,886.20, 155,730.66 and 33,716.44 is: 50,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,886.20 : 155,730.66 = 33,716.44 : x
  2. Step 2: Convert to fraction form
    103,886.20/155,730.66 = 33,716.44/x
  3. Step 3: Cross multiply
    103,886.20x = 155,730.66 × 33,716.44
  4. Step 4: Simplify right side
    103,886.20x = 5,250,683,454.05
  5. Step 5: Solve for x
    x = 5,250,683,454.05/103,886.20
  6. Step 6: Final answer
    x = 50,542.65

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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.