Finding the Fourth Proportional to 66,905.08, 100,270.14 and 27,415.96
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Solution
The fourth proportional to 66,905.08, 100,270.14 and 27,415.96 is: 41,088.09
Step by Step Solution
- Step 1: Write the proportion equation
66,905.08 : 100,270.14 = 27,415.96 : x - Step 2: Convert to fraction form
66,905.08/100,270.14 = 27,415.96/x - Step 3: Cross multiply
66,905.08x = 100,270.14 × 27,415.96 - Step 4: Simplify right side
66,905.08x = 2,749,002,147.43 - Step 5: Solve for x
x = 2,749,002,147.43/66,905.08 - Step 6: Final answer
x = 41,088.09
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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.