Finding the Fourth Proportional to 64,137.36, 88,524.72 and 38,982
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Solution
The fourth proportional to 64,137.36, 88,524.72 and 38,982 is: 53,804.38
Step by Step Solution
- Step 1: Write the proportion equation
64,137.36 : 88,524.72 = 38,982 : x - Step 2: Convert to fraction form
64,137.36/88,524.72 = 38,982/x - Step 3: Cross multiply
64,137.36x = 88,524.72 × 38,982 - Step 4: Simplify right side
64,137.36x = 3,450,870,635.04 - Step 5: Solve for x
x = 3,450,870,635.04/64,137.36 - Step 6: Final answer
x = 53,804.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.