Finding the Fourth Proportional to 115,720.44, 173,600.10 and 36,858.84
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Solution
The fourth proportional to 115,720.44, 173,600.10 and 36,858.84 is: 55,294.45
Step by Step Solution
- Step 1: Write the proportion equation
115,720.44 : 173,600.10 = 36,858.84 : x - Step 2: Convert to fraction form
115,720.44/173,600.10 = 36,858.84/x - Step 3: Cross multiply
115,720.44x = 173,600.10 × 36,858.84 - Step 4: Simplify right side
115,720.44x = 6,398,698,309.88 - Step 5: Solve for x
x = 6,398,698,309.88/115,720.44 - Step 6: Final answer
x = 55,294.45
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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.