Finding the Fourth Proportional to 79,895.74, 110,236.44 and 48,843.18
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Solution
The fourth proportional to 79,895.74, 110,236.44 and 48,843.18 is: 67,391.56
Step by Step Solution
- Step 1: Write the proportion equation
79,895.74 : 110,236.44 = 48,843.18 : x - Step 2: Convert to fraction form
79,895.74/110,236.44 = 48,843.18/x - Step 3: Cross multiply
79,895.74x = 110,236.44 × 48,843.18 - Step 4: Simplify right side
79,895.74x = 5,384,298,281.48 - Step 5: Solve for x
x = 5,384,298,281.48/79,895.74 - Step 6: Final answer
x = 67,391.56
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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.