Finding the Fourth Proportional to 79,364.38, 109,519.39 and 43,554.99
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Solution
The fourth proportional to 79,364.38, 109,519.39 and 43,554.99 is: 60,103.99
Step by Step Solution
- Step 1: Write the proportion equation
79,364.38 : 109,519.39 = 43,554.99 : x - Step 2: Convert to fraction form
79,364.38/109,519.39 = 43,554.99/x - Step 3: Cross multiply
79,364.38x = 109,519.39 × 43,554.99 - Step 4: Simplify right side
79,364.38x = 4,770,115,388.66 - Step 5: Solve for x
x = 4,770,115,388.66/79,364.38 - Step 6: Final answer
x = 60,103.99
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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.