Finding the Fourth Proportional to 66,768.09, 100,128.43 and 24,639.18
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Solution
The fourth proportional to 66,768.09, 100,128.43 and 24,639.18 is: 36,950.02
Step by Step Solution
- Step 1: Write the proportion equation
66,768.09 : 100,128.43 = 24,639.18 : x - Step 2: Convert to fraction form
66,768.09/100,128.43 = 24,639.18/x - Step 3: Cross multiply
66,768.09x = 100,128.43 × 24,639.18 - Step 4: Simplify right side
66,768.09x = 2,467,082,409.89 - Step 5: Solve for x
x = 2,467,082,409.89/66,768.09 - Step 6: Final answer
x = 36,950.02
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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.