Finding the Fourth Proportional to 75,082.14, 103,583.88 and 48,220.92
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Solution
The fourth proportional to 75,082.14, 103,583.88 and 48,220.92 is: 66,525.94
Step by Step Solution
- Step 1: Write the proportion equation
75,082.14 : 103,583.88 = 48,220.92 : x - Step 2: Convert to fraction form
75,082.14/103,583.88 = 48,220.92/x - Step 3: Cross multiply
75,082.14x = 103,583.88 × 48,220.92 - Step 4: Simplify right side
75,082.14x = 4,994,909,990.77 - Step 5: Solve for x
x = 4,994,909,990.77/75,082.14 - Step 6: Final answer
x = 66,525.94
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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.