Finding the Fourth Proportional to 88,515.19, 122,152.35 and 48,228.94
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Solution
The fourth proportional to 88,515.19, 122,152.35 and 48,228.94 is: 66,556.69
Step by Step Solution
- Step 1: Write the proportion equation
88,515.19 : 122,152.35 = 48,228.94 : x - Step 2: Convert to fraction form
88,515.19/122,152.35 = 48,228.94/x - Step 3: Cross multiply
88,515.19x = 122,152.35 × 48,228.94 - Step 4: Simplify right side
88,515.19x = 5,891,278,359.01 - Step 5: Solve for x
x = 5,891,278,359.01/88,515.19 - Step 6: Final answer
x = 66,556.69
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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.