Home / 50,692.32-69,961.26-30,559.50

Finding the Fourth Proportional to 50,692.32, 69,961.26 and 30,559.50

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Solution

The fourth proportional to 50,692.32, 69,961.26 and 30,559.50 is: 42,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,692.32 : 69,961.26 = 30,559.50 : x
  2. Step 2: Convert to fraction form
    50,692.32/69,961.26 = 30,559.50/x
  3. Step 3: Cross multiply
    50,692.32x = 69,961.26 × 30,559.50
  4. Step 4: Simplify right side
    50,692.32x = 2,137,981,124.97
  5. Step 5: Solve for x
    x = 2,137,981,124.97/50,692.32
  6. Step 6: Final answer
    x = 42,175.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.