Finding the Fourth Proportional to 79,728.99, 119,511.41 and 35,376.63
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Solution
The fourth proportional to 79,728.99, 119,511.41 and 35,376.63 is: 53,028.53
Step by Step Solution
- Step 1: Write the proportion equation
79,728.99 : 119,511.41 = 35,376.63 : x - Step 2: Convert to fraction form
79,728.99/119,511.41 = 35,376.63/x - Step 3: Cross multiply
79,728.99x = 119,511.41 × 35,376.63 - Step 4: Simplify right side
79,728.99x = 4,227,910,755.47 - Step 5: Solve for x
x = 4,227,910,755.47/79,728.99 - Step 6: Final answer
x = 53,028.53
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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.