Home / 103,669.20-155,464.74-33,529.68

Finding the Fourth Proportional to 103,669.20, 155,464.74 and 33,529.68

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Solution

The fourth proportional to 103,669.20, 155,464.74 and 33,529.68 is: 50,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.20 : 155,464.74 = 33,529.68 : x
  2. Step 2: Convert to fraction form
    103,669.20/155,464.74 = 33,529.68/x
  3. Step 3: Cross multiply
    103,669.20x = 155,464.74 × 33,529.68
  4. Step 4: Simplify right side
    103,669.20x = 5,212,682,983.48
  5. Step 5: Solve for x
    x = 5,212,682,983.48/103,669.20
  6. Step 6: Final answer
    x = 50,281.89

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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.