Finding the Fourth Proportional to 88,608.11, 122,302.44 and 50,389.99
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Solution
The fourth proportional to 88,608.11, 122,302.44 and 50,389.99 is: 69,551.41
Step by Step Solution
- Step 1: Write the proportion equation
88,608.11 : 122,302.44 = 50,389.99 : x - Step 2: Convert to fraction form
88,608.11/122,302.44 = 50,389.99/x - Step 3: Cross multiply
88,608.11x = 122,302.44 × 50,389.99 - Step 4: Simplify right side
88,608.11x = 6,162,818,422.82 - Step 5: Solve for x
x = 6,162,818,422.82/88,608.11 - Step 6: Final answer
x = 69,551.41
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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.