Finding the Fourth Proportional to 94,129.02, 129,893.49 and 51,107.49
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Solution
The fourth proportional to 94,129.02, 129,893.49 and 51,107.49 is: 70,525.86
Step by Step Solution
- Step 1: Write the proportion equation
94,129.02 : 129,893.49 = 51,107.49 : x - Step 2: Convert to fraction form
94,129.02/129,893.49 = 51,107.49/x - Step 3: Cross multiply
94,129.02x = 129,893.49 × 51,107.49 - Step 4: Simplify right side
94,129.02x = 6,638,530,241.24 - Step 5: Solve for x
x = 6,638,530,241.24/94,129.02 - Step 6: Final answer
x = 70,525.86
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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.