Finding the Fourth Proportional to 74,207.11, 111,282.99 and 29,818.84
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Solution
The fourth proportional to 74,207.11, 111,282.99 and 29,818.84 is: 44,717.14
Step by Step Solution
- Step 1: Write the proportion equation
74,207.11 : 111,282.99 = 29,818.84 : x - Step 2: Convert to fraction form
74,207.11/111,282.99 = 29,818.84/x - Step 3: Cross multiply
74,207.11x = 111,282.99 × 29,818.84 - Step 4: Simplify right side
74,207.11x = 3,318,329,524.44 - Step 5: Solve for x
x = 3,318,329,524.44/74,207.11 - Step 6: Final answer
x = 44,717.14
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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.