Finding the Fourth Proportional to 66,694.53, 100,004.86 and 27,279.32
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Solution
The fourth proportional to 66,694.53, 100,004.86 and 27,279.32 is: 40,903.87
Step by Step Solution
- Step 1: Write the proportion equation
66,694.53 : 100,004.86 = 27,279.32 : x - Step 2: Convert to fraction form
66,694.53/100,004.86 = 27,279.32/x - Step 3: Cross multiply
66,694.53x = 100,004.86 × 27,279.32 - Step 4: Simplify right side
66,694.53x = 2,728,064,577.50 - Step 5: Solve for x
x = 2,728,064,577.50/66,694.53 - Step 6: Final answer
x = 40,903.87
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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.