Finding the Fourth Proportional to 84,161.70, 126,235.26 and 27,983.75
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Solution
The fourth proportional to 84,161.70, 126,235.26 and 27,983.75 is: 41,973.19
Step by Step Solution
- Step 1: Write the proportion equation
84,161.70 : 126,235.26 = 27,983.75 : x - Step 2: Convert to fraction form
84,161.70/126,235.26 = 27,983.75/x - Step 3: Cross multiply
84,161.70x = 126,235.26 × 27,983.75 - Step 4: Simplify right side
84,161.70x = 3,532,535,325.85 - Step 5: Solve for x
x = 3,532,535,325.85/84,161.70 - Step 6: Final answer
x = 41,973.19
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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.