Finding the Fourth Proportional to 80,131.62, 110,571.93 and 44,316.75
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Solution
The fourth proportional to 80,131.62, 110,571.93 and 44,316.75 is: 61,151.75
Step by Step Solution
- Step 1: Write the proportion equation
80,131.62 : 110,571.93 = 44,316.75 : x - Step 2: Convert to fraction form
80,131.62/110,571.93 = 44,316.75/x - Step 3: Cross multiply
80,131.62x = 110,571.93 × 44,316.75 - Step 4: Simplify right side
80,131.62x = 4,900,188,578.83 - Step 5: Solve for x
x = 4,900,188,578.83/80,131.62 - Step 6: Final answer
x = 61,151.75
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1.5x scale
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.