Finding the Fourth Proportional to 74,736.98, 112,121.44 and 27,351.91
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Solution
The fourth proportional to 74,736.98, 112,121.44 and 27,351.91 is: 41,033.71
Step by Step Solution
- Step 1: Write the proportion equation
74,736.98 : 112,121.44 = 27,351.91 : x - Step 2: Convert to fraction form
74,736.98/112,121.44 = 27,351.91/x - Step 3: Cross multiply
74,736.98x = 112,121.44 × 27,351.91 - Step 4: Simplify right side
74,736.98x = 3,066,735,324.03 - Step 5: Solve for x
x = 3,066,735,324.03/74,736.98 - Step 6: Final answer
x = 41,033.71
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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.