Home / 80,830.44-121,269.66-41,415.24

Finding the Fourth Proportional to 80,830.44, 121,269.66 and 41,415.24

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Solution

The fourth proportional to 80,830.44, 121,269.66 and 41,415.24 is: 62,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,830.44 : 121,269.66 = 41,415.24 : x
  2. Step 2: Convert to fraction form
    80,830.44/121,269.66 = 41,415.24/x
  3. Step 3: Cross multiply
    80,830.44x = 121,269.66 × 41,415.24
  4. Step 4: Simplify right side
    80,830.44x = 5,022,412,073.62
  5. Step 5: Solve for x
    x = 5,022,412,073.62/80,830.44
  6. Step 6: Final answer
    x = 62,135.16

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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.