Finding the Fourth Proportional to 88,778.93, 122,514.10 and 48,492.68
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Solution
The fourth proportional to 88,778.93, 122,514.10 and 48,492.68 is: 66,919.45
Step by Step Solution
- Step 1: Write the proportion equation
88,778.93 : 122,514.10 = 48,492.68 : x - Step 2: Convert to fraction form
88,778.93/122,514.10 = 48,492.68/x - Step 3: Cross multiply
88,778.93x = 122,514.10 × 48,492.68 - Step 4: Simplify right side
88,778.93x = 5,941,037,046.79 - Step 5: Solve for x
x = 5,941,037,046.79/88,778.93 - Step 6: Final answer
x = 66,919.45
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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.