Finding the Fourth Proportional to 75,836.44, 104,649.33 and 45,616.15
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Solution
The fourth proportional to 75,836.44, 104,649.33 and 45,616.15 is: 62,947.31
Step by Step Solution
- Step 1: Write the proportion equation
75,836.44 : 104,649.33 = 45,616.15 : x - Step 2: Convert to fraction form
75,836.44/104,649.33 = 45,616.15/x - Step 3: Cross multiply
75,836.44x = 104,649.33 × 45,616.15 - Step 4: Simplify right side
75,836.44x = 4,773,699,534.68 - Step 5: Solve for x
x = 4,773,699,534.68/75,836.44 - Step 6: Final answer
x = 62,947.31
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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.