Finding the Fourth Proportional to 80,070.58, 120,107.67 and 27,480.50
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Solution
The fourth proportional to 80,070.58, 120,107.67 and 27,480.50 is: 41,221.37
Step by Step Solution
- Step 1: Write the proportion equation
80,070.58 : 120,107.67 = 27,480.50 : x - Step 2: Convert to fraction form
80,070.58/120,107.67 = 27,480.50/x - Step 3: Cross multiply
80,070.58x = 120,107.67 × 27,480.50 - Step 4: Simplify right side
80,070.58x = 3,300,618,825.44 - Step 5: Solve for x
x = 3,300,618,825.44/80,070.58 - Step 6: Final answer
x = 41,221.37
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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.