Finding the Fourth Proportional to 88,941.31, 122,770.26 and 54,975.85
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Solution
The fourth proportional to 88,941.31, 122,770.26 and 54,975.85 is: 75,885.99
Step by Step Solution
- Step 1: Write the proportion equation
88,941.31 : 122,770.26 = 54,975.85 : x - Step 2: Convert to fraction form
88,941.31/122,770.26 = 54,975.85/x - Step 3: Cross multiply
88,941.31x = 122,770.26 × 54,975.85 - Step 4: Simplify right side
88,941.31x = 6,749,399,398.22 - Step 5: Solve for x
x = 6,749,399,398.22/88,941.31 - Step 6: Final answer
x = 75,885.99
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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.