Home / 75,245.20-112,896.60-33,662.32

Finding the Fourth Proportional to 75,245.20, 112,896.60 and 33,662.32

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Solution

The fourth proportional to 75,245.20, 112,896.60 and 33,662.32 is: 50,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,245.20 : 112,896.60 = 33,662.32 : x
  2. Step 2: Convert to fraction form
    75,245.20/112,896.60 = 33,662.32/x
  3. Step 3: Cross multiply
    75,245.20x = 112,896.60 × 33,662.32
  4. Step 4: Simplify right side
    75,245.20x = 3,800,361,476.11
  5. Step 5: Solve for x
    x = 3,800,361,476.11/75,245.20
  6. Step 6: Final answer
    x = 50,506.36

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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.