Finding the Fourth Proportional to 84,518.07, 126,841.38 and 31,260.44
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Solution
The fourth proportional to 84,518.07, 126,841.38 and 31,260.44 is: 46,914.42
Step by Step Solution
- Step 1: Write the proportion equation
84,518.07 : 126,841.38 = 31,260.44 : x - Step 2: Convert to fraction form
84,518.07/126,841.38 = 31,260.44/x - Step 3: Cross multiply
84,518.07x = 126,841.38 × 31,260.44 - Step 4: Simplify right side
84,518.07x = 3,965,116,597.57 - Step 5: Solve for x
x = 3,965,116,597.57/84,518.07 - Step 6: Final answer
x = 46,914.42
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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.