Finding the Fourth Proportional to 95,486.13, 131,775.53 and 53,043.75
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Solution
The fourth proportional to 95,486.13, 131,775.53 and 53,043.75 is: 73,202.97
Step by Step Solution
- Step 1: Write the proportion equation
95,486.13 : 131,775.53 = 53,043.75 : x - Step 2: Convert to fraction form
95,486.13/131,775.53 = 53,043.75/x - Step 3: Cross multiply
95,486.13x = 131,775.53 × 53,043.75 - Step 4: Simplify right side
95,486.13x = 6,989,868,004.22 - Step 5: Solve for x
x = 6,989,868,004.22/95,486.13 - Step 6: Final answer
x = 73,202.97
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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.