Finding the Fourth Proportional to 88,739.25, 122,459.55 and 48,452.99
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Solution
The fourth proportional to 88,739.25, 122,459.55 and 48,452.99 is: 66,864.78
Step by Step Solution
- Step 1: Write the proportion equation
88,739.25 : 122,459.55 = 48,452.99 : x - Step 2: Convert to fraction form
88,739.25/122,459.55 = 48,452.99/x - Step 3: Cross multiply
88,739.25x = 122,459.55 × 48,452.99 - Step 4: Simplify right side
88,739.25x = 5,933,530,557.56 - Step 5: Solve for x
x = 5,933,530,557.56/88,739.25 - Step 6: Final answer
x = 66,864.78
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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.