Finding the Fourth Proportional to 75,757.56, 113,652.75 and 29,010.44
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Solution
The fourth proportional to 75,757.56, 113,652.75 and 29,010.44 is: 43,521.94
Step by Step Solution
- Step 1: Write the proportion equation
75,757.56 : 113,652.75 = 29,010.44 : x - Step 2: Convert to fraction form
75,757.56/113,652.75 = 29,010.44/x - Step 3: Cross multiply
75,757.56x = 113,652.75 × 29,010.44 - Step 4: Simplify right side
75,757.56x = 3,297,116,284.71 - Step 5: Solve for x
x = 3,297,116,284.71/75,757.56 - Step 6: Final answer
x = 43,521.94
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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.