Finding the Fourth Proportional to 79,736.65, 119,492.21 and 44,213.62
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Solution
The fourth proportional to 79,736.65, 119,492.21 and 44,213.62 is: 66,257.90
Step by Step Solution
- Step 1: Write the proportion equation
79,736.65 : 119,492.21 = 44,213.62 : x - Step 2: Convert to fraction form
79,736.65/119,492.21 = 44,213.62/x - Step 3: Cross multiply
79,736.65x = 119,492.21 × 44,213.62 - Step 4: Simplify right side
79,736.65x = 5,283,183,537.82 - Step 5: Solve for x
x = 5,283,183,537.82/79,736.65 - Step 6: Final answer
x = 66,257.90
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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.