Finding the Fourth Proportional to 66,722.82, 100,070.40 and 24,591.99
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Solution
The fourth proportional to 66,722.82, 100,070.40 and 24,591.99 is: 36,882.89
Step by Step Solution
- Step 1: Write the proportion equation
66,722.82 : 100,070.40 = 24,591.99 : x - Step 2: Convert to fraction form
66,722.82/100,070.40 = 24,591.99/x - Step 3: Cross multiply
66,722.82x = 100,070.40 × 24,591.99 - Step 4: Simplify right side
66,722.82x = 2,460,930,276.10 - Step 5: Solve for x
x = 2,460,930,276.10/66,722.82 - Step 6: Final answer
x = 36,882.89
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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.