Finding the Fourth Proportional to 76,051.49, 114,096.68 and 31,663.49
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Solution
The fourth proportional to 76,051.49, 114,096.68 and 31,663.49 is: 47,503.33
Step by Step Solution
- Step 1: Write the proportion equation
76,051.49 : 114,096.68 = 31,663.49 : x - Step 2: Convert to fraction form
76,051.49/114,096.68 = 31,663.49/x - Step 3: Cross multiply
76,051.49x = 114,096.68 × 31,663.49 - Step 4: Simplify right side
76,051.49x = 3,612,699,086.21 - Step 5: Solve for x
x = 3,612,699,086.21/76,051.49 - Step 6: Final answer
x = 47,503.33
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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.