Finding the Fourth Proportional to 71,204.82, 106,814.46 and 26,868.84
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Solution
The fourth proportional to 71,204.82, 106,814.46 and 26,868.84 is: 40,305.99
Step by Step Solution
- Step 1: Write the proportion equation
71,204.82 : 106,814.46 = 26,868.84 : x - Step 2: Convert to fraction form
71,204.82/106,814.46 = 26,868.84/x - Step 3: Cross multiply
71,204.82x = 106,814.46 × 26,868.84 - Step 4: Simplify right side
71,204.82x = 2,869,980,635.43 - Step 5: Solve for x
x = 2,869,980,635.43/71,204.82 - Step 6: Final answer
x = 40,305.99
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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.