Finding the Fourth Proportional to 79,959.44, 110,344.26 and 43,660.98
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Solution
The fourth proportional to 79,959.44, 110,344.26 and 43,660.98 is: 60,252.28
Step by Step Solution
- Step 1: Write the proportion equation
79,959.44 : 110,344.26 = 43,660.98 : x - Step 2: Convert to fraction form
79,959.44/110,344.26 = 43,660.98/x - Step 3: Cross multiply
79,959.44x = 110,344.26 × 43,660.98 - Step 4: Simplify right side
79,959.44x = 4,817,738,528.97 - Step 5: Solve for x
x = 4,817,738,528.97/79,959.44 - Step 6: Final answer
x = 60,252.28
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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.