Finding the Fourth Proportional to 88,922.31, 122,706.14 and 48,633.99
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Solution
The fourth proportional to 88,922.31, 122,706.14 and 48,633.99 is: 67,111.27
Step by Step Solution
- Step 1: Write the proportion equation
88,922.31 : 122,706.14 = 48,633.99 : x - Step 2: Convert to fraction form
88,922.31/122,706.14 = 48,633.99/x - Step 3: Cross multiply
88,922.31x = 122,706.14 × 48,633.99 - Step 4: Simplify right side
88,922.31x = 5,967,688,942.53 - Step 5: Solve for x
x = 5,967,688,942.53/88,922.31 - Step 6: Final answer
x = 67,111.27
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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.