Finding the Fourth Proportional to 79,838.44, 119,757.66 and 44,780.84
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Solution
The fourth proportional to 79,838.44, 119,757.66 and 44,780.84 is: 67,171.26
Step by Step Solution
- Step 1: Write the proportion equation
79,838.44 : 119,757.66 = 44,780.84 : x - Step 2: Convert to fraction form
79,838.44/119,757.66 = 44,780.84/x - Step 3: Cross multiply
79,838.44x = 119,757.66 × 44,780.84 - Step 4: Simplify right side
79,838.44x = 5,362,848,611.23 - Step 5: Solve for x
x = 5,362,848,611.23/79,838.44 - Step 6: Final answer
x = 67,171.26
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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.