Finding the Fourth Proportional to 88,779.03, 122,514.33 and 48,492.82
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Solution
The fourth proportional to 88,779.03, 122,514.33 and 48,492.82 is: 66,919.69
Step by Step Solution
- Step 1: Write the proportion equation
88,779.03 : 122,514.33 = 48,492.82 : x - Step 2: Convert to fraction form
88,779.03/122,514.33 = 48,492.82/x - Step 3: Cross multiply
88,779.03x = 122,514.33 × 48,492.82 - Step 4: Simplify right side
88,779.03x = 5,941,065,352.11 - Step 5: Solve for x
x = 5,941,065,352.11/88,779.03 - Step 6: Final answer
x = 66,919.69
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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.