Finding the Fourth Proportional to 96,577.26, 133,276.20 and 54,135.79
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Solution
The fourth proportional to 96,577.26, 133,276.20 and 54,135.79 is: 74,707.16
Step by Step Solution
- Step 1: Write the proportion equation
96,577.26 : 133,276.20 = 54,135.79 : x - Step 2: Convert to fraction form
96,577.26/133,276.20 = 54,135.79/x - Step 3: Cross multiply
96,577.26x = 133,276.20 × 54,135.79 - Step 4: Simplify right side
96,577.26x = 7,215,012,893.19 - Step 5: Solve for x
x = 7,215,012,893.19/96,577.26 - Step 6: Final answer
x = 74,707.16
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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.