Finding the Fourth Proportional to 284,747.04, 427,124.70 and 74,385
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Solution
The fourth proportional to 284,747.04, 427,124.70 and 74,385 is: 111,578.58
Step by Step Solution
- Step 1: Write the proportion equation
284,747.04 : 427,124.70 = 74,385 : x - Step 2: Convert to fraction form
284,747.04/427,124.70 = 74,385/x - Step 3: Cross multiply
284,747.04x = 427,124.70 × 74,385 - Step 4: Simplify right side
284,747.04x = 31,771,670,809.50 - Step 5: Solve for x
x = 31,771,670,809.50/284,747.04 - Step 6: Final answer
x = 111,578.58
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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.