Finding the Fourth Proportional to 95,108.19, 131,249.08 and 54,821.68
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Solution
The fourth proportional to 95,108.19, 131,249.08 and 54,821.68 is: 75,653.79
Step by Step Solution
- Step 1: Write the proportion equation
95,108.19 : 131,249.08 = 54,821.68 : x - Step 2: Convert to fraction form
95,108.19/131,249.08 = 54,821.68/x - Step 3: Cross multiply
95,108.19x = 131,249.08 × 54,821.68 - Step 4: Simplify right side
95,108.19x = 7,195,295,064.05 - Step 5: Solve for x
x = 7,195,295,064.05/95,108.19 - Step 6: Final answer
x = 75,653.79
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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.