Finding the Fourth Proportional to 80,584.66, 120,876.99 and 25,180.66
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Solution
The fourth proportional to 80,584.66, 120,876.99 and 25,180.66 is: 37,770.99
Step by Step Solution
- Step 1: Write the proportion equation
80,584.66 : 120,876.99 = 25,180.66 : x - Step 2: Convert to fraction form
80,584.66/120,876.99 = 25,180.66/x - Step 3: Cross multiply
80,584.66x = 120,876.99 × 25,180.66 - Step 4: Simplify right side
80,584.66x = 3,043,762,387.01 - Step 5: Solve for x
x = 3,043,762,387.01/80,584.66 - Step 6: Final answer
x = 37,770.99
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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.