Finding the Fourth Proportional to 80,075.53, 110,503.02 and 48,261.97
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Solution
The fourth proportional to 80,075.53, 110,503.02 and 48,261.97 is: 66,600.79
Step by Step Solution
- Step 1: Write the proportion equation
80,075.53 : 110,503.02 = 48,261.97 : x - Step 2: Convert to fraction form
80,075.53/110,503.02 = 48,261.97/x - Step 3: Cross multiply
80,075.53x = 110,503.02 × 48,261.97 - Step 4: Simplify right side
80,075.53x = 5,333,093,436.15 - Step 5: Solve for x
x = 5,333,093,436.15/80,075.53 - Step 6: Final answer
x = 66,600.79
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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.