Finding the Fourth Proportional to 76,042.08, 104,944.56 and 44,208.96
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Solution
The fourth proportional to 76,042.08, 104,944.56 and 44,208.96 is: 61,012.14
Step by Step Solution
- Step 1: Write the proportion equation
76,042.08 : 104,944.56 = 44,208.96 : x - Step 2: Convert to fraction form
76,042.08/104,944.56 = 44,208.96/x - Step 3: Cross multiply
76,042.08x = 104,944.56 × 44,208.96 - Step 4: Simplify right side
76,042.08x = 4,639,489,855.26 - Step 5: Solve for x
x = 4,639,489,855.26/76,042.08 - Step 6: Final answer
x = 61,012.14
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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.