Finding the Fourth Proportional to 84,101.44, 126,239.64 and 61,939.84
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Solution
The fourth proportional to 84,101.44, 126,239.64 and 61,939.84 is: 92,974.19
Step by Step Solution
- Step 1: Write the proportion equation
84,101.44 : 126,239.64 = 61,939.84 : x - Step 2: Convert to fraction form
84,101.44/126,239.64 = 61,939.84/x - Step 3: Cross multiply
84,101.44x = 126,239.64 × 61,939.84 - Step 4: Simplify right side
84,101.44x = 7,819,263,103.26 - Step 5: Solve for x
x = 7,819,263,103.26/84,101.44 - Step 6: Final answer
x = 92,974.19
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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.