Finding the Fourth Proportional to 87,883.08, 131,797.43 and 31,715.96
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Solution
The fourth proportional to 87,883.08, 131,797.43 and 31,715.96 is: 47,564.12
Step by Step Solution
- Step 1: Write the proportion equation
87,883.08 : 131,797.43 = 31,715.96 : x - Step 2: Convert to fraction form
87,883.08/131,797.43 = 31,715.96/x - Step 3: Cross multiply
87,883.08x = 131,797.43 × 31,715.96 - Step 4: Simplify right side
87,883.08x = 4,180,081,319.35 - Step 5: Solve for x
x = 4,180,081,319.35/87,883.08 - Step 6: Final answer
x = 47,564.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.