Finding the Fourth Proportional to 95,639.18, 143,463.87 and 29,074.19
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Solution
The fourth proportional to 95,639.18, 143,463.87 and 29,074.19 is: 43,612.84
Step by Step Solution
- Step 1: Write the proportion equation
95,639.18 : 143,463.87 = 29,074.19 : x - Step 2: Convert to fraction form
95,639.18/143,463.87 = 29,074.19/x - Step 3: Cross multiply
95,639.18x = 143,463.87 × 29,074.19 - Step 4: Simplify right side
95,639.18x = 4,171,095,814.52 - Step 5: Solve for x
x = 4,171,095,814.52/95,639.18 - Step 6: Final answer
x = 43,612.84
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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.