Finding the Fourth Proportional to 88,779.33, 122,514.66 and 48,493.09
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Solution
The fourth proportional to 88,779.33, 122,514.66 and 48,493.09 is: 66,920.02
Step by Step Solution
- Step 1: Write the proportion equation
88,779.33 : 122,514.66 = 48,493.09 : x - Step 2: Convert to fraction form
88,779.33/122,514.66 = 48,493.09/x - Step 3: Cross multiply
88,779.33x = 122,514.66 × 48,493.09 - Step 4: Simplify right side
88,779.33x = 5,941,114,433.70 - Step 5: Solve for x
x = 5,941,114,433.70/88,779.33 - Step 6: Final answer
x = 66,920.02
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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.