Finding the Fourth Proportional to 88,414.75, 122,012.36 and 48,670.75
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Solution
The fourth proportional to 88,414.75, 122,012.36 and 48,670.75 is: 67,165.64
Step by Step Solution
- Step 1: Write the proportion equation
88,414.75 : 122,012.36 = 48,670.75 : x - Step 2: Convert to fraction form
88,414.75/122,012.36 = 48,670.75/x - Step 3: Cross multiply
88,414.75x = 122,012.36 × 48,670.75 - Step 4: Simplify right side
88,414.75x = 5,938,433,070.47 - Step 5: Solve for x
x = 5,938,433,070.47/88,414.75 - Step 6: Final answer
x = 67,165.64
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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.