Finding the Fourth Proportional to 87,194.48, 120,324.84 and 49,467.92
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Solution
The fourth proportional to 87,194.48, 120,324.84 and 49,467.92 is: 68,263.72
Step by Step Solution
- Step 1: Write the proportion equation
87,194.48 : 120,324.84 = 49,467.92 : x - Step 2: Convert to fraction form
87,194.48/120,324.84 = 49,467.92/x - Step 3: Cross multiply
87,194.48x = 120,324.84 × 49,467.92 - Step 4: Simplify right side
87,194.48x = 5,952,219,559.13 - Step 5: Solve for x
x = 5,952,219,559.13/87,194.48 - Step 6: Final answer
x = 68,263.72
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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.