Finding the Fourth Proportional to 127,063.11, 190,521.75 and 48,126.99
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Solution
The fourth proportional to 127,063.11, 190,521.75 and 48,126.99 is: 72,162.87
Step by Step Solution
- Step 1: Write the proportion equation
127,063.11 : 190,521.75 = 48,126.99 : x - Step 2: Convert to fraction form
127,063.11/190,521.75 = 48,126.99/x - Step 3: Cross multiply
127,063.11x = 190,521.75 × 48,126.99 - Step 4: Simplify right side
127,063.11x = 9,169,238,357.03 - Step 5: Solve for x
x = 9,169,238,357.03/127,063.11 - Step 6: Final answer
x = 72,162.87
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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.