Home / 75,759.75-113,640.19-33,628.51

Finding the Fourth Proportional to 75,759.75, 113,640.19 and 33,628.51

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Solution

The fourth proportional to 75,759.75, 113,640.19 and 33,628.51 is: 50,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,759.75 : 113,640.19 = 33,628.51 : x
  2. Step 2: Convert to fraction form
    75,759.75/113,640.19 = 33,628.51/x
  3. Step 3: Cross multiply
    75,759.75x = 113,640.19 × 33,628.51
  4. Step 4: Simplify right side
    75,759.75x = 3,821,549,921.02
  5. Step 5: Solve for x
    x = 3,821,549,921.02/75,759.75
  6. Step 6: Final answer
    x = 50,443.01

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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.