Finding the Fourth Proportional to 74,080.62, 111,138.62 and 24,160.77
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Solution
The fourth proportional to 74,080.62, 111,138.62 and 24,160.77 is: 36,246.92
Step by Step Solution
- Step 1: Write the proportion equation
74,080.62 : 111,138.62 = 24,160.77 : x - Step 2: Convert to fraction form
74,080.62/111,138.62 = 24,160.77/x - Step 3: Cross multiply
74,080.62x = 111,138.62 × 24,160.77 - Step 4: Simplify right side
74,080.62x = 2,685,194,515.13 - Step 5: Solve for x
x = 2,685,194,515.13/74,080.62 - Step 6: Final answer
x = 36,246.92
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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.