Finding the Fourth Proportional to 74,137.30, 111,220.48 and 24,203.99
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Solution
The fourth proportional to 74,137.30, 111,220.48 and 24,203.99 is: 36,310.73
Step by Step Solution
- Step 1: Write the proportion equation
74,137.30 : 111,220.48 = 24,203.99 : x - Step 2: Convert to fraction form
74,137.30/111,220.48 = 24,203.99/x - Step 3: Cross multiply
74,137.30x = 111,220.48 × 24,203.99 - Step 4: Simplify right side
74,137.30x = 2,691,979,385.72 - Step 5: Solve for x
x = 2,691,979,385.72/74,137.30 - Step 6: Final answer
x = 36,310.73
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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.