Home / 75,105.82-112,697.55-33,015.45

Finding the Fourth Proportional to 75,105.82, 112,697.55 and 33,015.45

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Solution

The fourth proportional to 75,105.82, 112,697.55 and 33,015.45 is: 49,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.82 : 112,697.55 = 33,015.45 : x
  2. Step 2: Convert to fraction form
    75,105.82/112,697.55 = 33,015.45/x
  3. Step 3: Cross multiply
    75,105.82x = 112,697.55 × 33,015.45
  4. Step 4: Simplify right side
    75,105.82x = 3,720,759,763.66
  5. Step 5: Solve for x
    x = 3,720,759,763.66/75,105.82
  6. Step 6: Final answer
    x = 49,540.24

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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.