Finding the Fourth Proportional to 79,843.74, 110,185.16 and 44,035.13
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Solution
The fourth proportional to 79,843.74, 110,185.16 and 44,035.13 is: 60,768.91
Step by Step Solution
- Step 1: Write the proportion equation
79,843.74 : 110,185.16 = 44,035.13 : x - Step 2: Convert to fraction form
79,843.74/110,185.16 = 44,035.13/x - Step 3: Cross multiply
79,843.74x = 110,185.16 × 44,035.13 - Step 4: Simplify right side
79,843.74x = 4,852,017,073.57 - Step 5: Solve for x
x = 4,852,017,073.57/79,843.74 - Step 6: Final answer
x = 60,768.91
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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.