Finding the Fourth Proportional to 84,324.96, 126,472.80 and 31,734.84
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Solution
The fourth proportional to 84,324.96, 126,472.80 and 31,734.84 is: 47,596.75
Step by Step Solution
- Step 1: Write the proportion equation
84,324.96 : 126,472.80 = 31,734.84 : x - Step 2: Convert to fraction form
84,324.96/126,472.80 = 31,734.84/x - Step 3: Cross multiply
84,324.96x = 126,472.80 × 31,734.84 - Step 4: Simplify right side
84,324.96x = 4,013,594,072.35 - Step 5: Solve for x
x = 4,013,594,072.35/84,324.96 - Step 6: Final answer
x = 47,596.75
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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.