Finding the Fourth Proportional to 84,919.99, 117,186.73 and 47,193.43
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Solution
The fourth proportional to 84,919.99, 117,186.73 and 47,193.43 is: 65,125.35
Step by Step Solution
- Step 1: Write the proportion equation
84,919.99 : 117,186.73 = 47,193.43 : x - Step 2: Convert to fraction form
84,919.99/117,186.73 = 47,193.43/x - Step 3: Cross multiply
84,919.99x = 117,186.73 × 47,193.43 - Step 4: Simplify right side
84,919.99x = 5,530,443,739.18 - Step 5: Solve for x
x = 5,530,443,739.18/84,919.99 - Step 6: Final answer
x = 65,125.35
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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.