Finding the Fourth Proportional to 70,608.10, 105,901.89 and 23,224.99
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Solution
The fourth proportional to 70,608.10, 105,901.89 and 23,224.99 is: 34,834.11
Step by Step Solution
- Step 1: Write the proportion equation
70,608.10 : 105,901.89 = 23,224.99 : x - Step 2: Convert to fraction form
70,608.10/105,901.89 = 23,224.99/x - Step 3: Cross multiply
70,608.10x = 105,901.89 × 23,224.99 - Step 4: Simplify right side
70,608.10x = 2,459,570,336.23 - Step 5: Solve for x
x = 2,459,570,336.23/70,608.10 - Step 6: Final answer
x = 34,834.11
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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.