Finding the Fourth Proportional to 74,439.64, 111,596.69 and 32,287.99
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Solution
The fourth proportional to 74,439.64, 111,596.69 and 32,287.99 is: 48,404.76
Step by Step Solution
- Step 1: Write the proportion equation
74,439.64 : 111,596.69 = 32,287.99 : x - Step 2: Convert to fraction form
74,439.64/111,596.69 = 32,287.99/x - Step 3: Cross multiply
74,439.64x = 111,596.69 × 32,287.99 - Step 4: Simplify right side
74,439.64x = 3,603,232,810.75 - Step 5: Solve for x
x = 3,603,232,810.75/74,439.64 - Step 6: Final answer
x = 48,404.76
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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.