Finding the Fourth Proportional to 75,540.18, 104,237.26 and 43,703.13
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Solution
The fourth proportional to 75,540.18, 104,237.26 and 43,703.13 is: 60,305.58
Step by Step Solution
- Step 1: Write the proportion equation
75,540.18 : 104,237.26 = 43,703.13 : x - Step 2: Convert to fraction form
75,540.18/104,237.26 = 43,703.13/x - Step 3: Cross multiply
75,540.18x = 104,237.26 × 43,703.13 - Step 4: Simplify right side
75,540.18x = 4,555,494,524.62 - Step 5: Solve for x
x = 4,555,494,524.62/75,540.18 - Step 6: Final answer
x = 60,305.58
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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.