Finding the Fourth Proportional to 114,798.99, 172,198.25 and 31,692.75
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Solution
The fourth proportional to 114,798.99, 172,198.25 and 31,692.75 is: 47,539.06
Step by Step Solution
- Step 1: Write the proportion equation
114,798.99 : 172,198.25 = 31,692.75 : x - Step 2: Convert to fraction form
114,798.99/172,198.25 = 31,692.75/x - Step 3: Cross multiply
114,798.99x = 172,198.25 × 31,692.75 - Step 4: Simplify right side
114,798.99x = 5,457,435,929.22 - Step 5: Solve for x
x = 5,457,435,929.22/114,798.99 - Step 6: Final answer
x = 47,539.06
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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.