Finding the Fourth Proportional to 84,220.48, 126,337.44 and 49,163.68
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Solution
The fourth proportional to 84,220.48, 126,337.44 and 49,163.68 is: 73,749.44
Step by Step Solution
- Step 1: Write the proportion equation
84,220.48 : 126,337.44 = 49,163.68 : x - Step 2: Convert to fraction form
84,220.48/126,337.44 = 49,163.68/x - Step 3: Cross multiply
84,220.48x = 126,337.44 × 49,163.68 - Step 4: Simplify right side
84,220.48x = 6,211,213,472.18 - Step 5: Solve for x
x = 6,211,213,472.18/84,220.48 - Step 6: Final answer
x = 73,749.44
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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.