Finding the Fourth Proportional to 94,692.48, 130,687.75 and 54,414.09
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Solution
The fourth proportional to 94,692.48, 130,687.75 and 54,414.09 is: 75,098.42
Step by Step Solution
- Step 1: Write the proportion equation
94,692.48 : 130,687.75 = 54,414.09 : x - Step 2: Convert to fraction form
94,692.48/130,687.75 = 54,414.09/x - Step 3: Cross multiply
94,692.48x = 130,687.75 × 54,414.09 - Step 4: Simplify right side
94,692.48x = 7,111,255,395.23 - Step 5: Solve for x
x = 7,111,255,395.23/94,692.48 - Step 6: Final answer
x = 75,098.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.