Finding the Fourth Proportional to 96,571.22, 133,274.43 and 54,129.75
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Solution
The fourth proportional to 96,571.22, 133,274.43 and 54,129.75 is: 74,702.50
Step by Step Solution
- Step 1: Write the proportion equation
96,571.22 : 133,274.43 = 54,129.75 : x - Step 2: Convert to fraction form
96,571.22/133,274.43 = 54,129.75/x - Step 3: Cross multiply
96,571.22x = 133,274.43 × 54,129.75 - Step 4: Simplify right side
96,571.22x = 7,214,111,577.29 - Step 5: Solve for x
x = 7,214,111,577.29/96,571.22 - Step 6: Final answer
x = 74,702.50
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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.