Finding the Fourth Proportional to 80,103.36, 110,571.84 and 48,273.60
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Solution
The fourth proportional to 80,103.36, 110,571.84 and 48,273.60 is: 66,635.17
Step by Step Solution
- Step 1: Write the proportion equation
80,103.36 : 110,571.84 = 48,273.60 : x - Step 2: Convert to fraction form
80,103.36/110,571.84 = 48,273.60/x - Step 3: Cross multiply
80,103.36x = 110,571.84 × 48,273.60 - Step 4: Simplify right side
80,103.36x = 5,337,700,775.42 - Step 5: Solve for x
x = 5,337,700,775.42/80,103.36 - Step 6: Final answer
x = 66,635.17
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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.