Finding the Fourth Proportional to 75,759.23, 113,638.09 and 29,012.11
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Solution
The fourth proportional to 75,759.23, 113,638.09 and 29,012.11 is: 43,517.88
Step by Step Solution
- Step 1: Write the proportion equation
75,759.23 : 113,638.09 = 29,012.11 : x - Step 2: Convert to fraction form
75,759.23/113,638.09 = 29,012.11/x - Step 3: Cross multiply
75,759.23x = 113,638.09 × 29,012.11 - Step 4: Simplify right side
75,759.23x = 3,296,880,767.27 - Step 5: Solve for x
x = 3,296,880,767.27/75,759.23 - Step 6: Final answer
x = 43,517.88
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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.