Finding the Fourth Proportional to 79,940.62, 119,958.45 and 35,569.90
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Solution
The fourth proportional to 79,940.62, 119,958.45 and 35,569.90 is: 53,375.99
Step by Step Solution
- Step 1: Write the proportion equation
79,940.62 : 119,958.45 = 35,569.90 : x - Step 2: Convert to fraction form
79,940.62/119,958.45 = 35,569.90/x - Step 3: Cross multiply
79,940.62x = 119,958.45 × 35,569.90 - Step 4: Simplify right side
79,940.62x = 4,266,910,070.66 - Step 5: Solve for x
x = 4,266,910,070.66/79,940.62 - Step 6: Final answer
x = 53,375.99
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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.