Finding the Fourth Proportional to 74,571.84, 111,876.96 and 27,825.12
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Solution
The fourth proportional to 74,571.84, 111,876.96 and 27,825.12 is: 41,744.84
Step by Step Solution
- Step 1: Write the proportion equation
74,571.84 : 111,876.96 = 27,825.12 : x - Step 2: Convert to fraction form
74,571.84/111,876.96 = 27,825.12/x - Step 3: Cross multiply
74,571.84x = 111,876.96 × 27,825.12 - Step 4: Simplify right side
74,571.84x = 3,112,989,837.24 - Step 5: Solve for x
x = 3,112,989,837.24/74,571.84 - Step 6: Final answer
x = 41,744.84
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1.5x scale
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.