Finding the Fourth Proportional to 79,853.94, 110,198.75 and 44,043.44
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Solution
The fourth proportional to 79,853.94, 110,198.75 and 44,043.44 is: 60,780.11
Step by Step Solution
- Step 1: Write the proportion equation
79,853.94 : 110,198.75 = 44,043.44 : x - Step 2: Convert to fraction form
79,853.94/110,198.75 = 44,043.44/x - Step 3: Cross multiply
79,853.94x = 110,198.75 × 44,043.44 - Step 4: Simplify right side
79,853.94x = 4,853,531,262.49 - Step 5: Solve for x
x = 4,853,531,262.49/79,853.94 - Step 6: Final answer
x = 60,780.11
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1.5x scale
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.