Finding the Fourth Proportional to 75,564.75, 104,281.80 and 41,571.48
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Solution
The fourth proportional to 75,564.75, 104,281.80 and 41,571.48 is: 57,369.99
Step by Step Solution
- Step 1: Write the proportion equation
75,564.75 : 104,281.80 = 41,571.48 : x - Step 2: Convert to fraction form
75,564.75/104,281.80 = 41,571.48/x - Step 3: Cross multiply
75,564.75x = 104,281.80 × 41,571.48 - Step 4: Simplify right side
75,564.75x = 4,335,148,763.06 - Step 5: Solve for x
x = 4,335,148,763.06/75,564.75 - Step 6: Final answer
x = 57,369.99
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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.