Finding the Fourth Proportional to 66,795.99, 100,211.40 and 29,363.43
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Solution
The fourth proportional to 66,795.99, 100,211.40 and 29,363.43 is: 44,052.80
Step by Step Solution
- Step 1: Write the proportion equation
66,795.99 : 100,211.40 = 29,363.43 : x - Step 2: Convert to fraction form
66,795.99/100,211.40 = 29,363.43/x - Step 3: Cross multiply
66,795.99x = 100,211.40 × 29,363.43 - Step 4: Simplify right side
66,795.99x = 2,942,550,429.10 - Step 5: Solve for x
x = 2,942,550,429.10/66,795.99 - Step 6: Final answer
x = 44,052.80
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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.