Finding the Fourth Proportional to 68,718.24, 103,042.62 and 24,338.70
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Solution
The fourth proportional to 68,718.24, 103,042.62 and 24,338.70 is: 36,495.75
Step by Step Solution
- Step 1: Write the proportion equation
68,718.24 : 103,042.62 = 24,338.70 : x - Step 2: Convert to fraction form
68,718.24/103,042.62 = 24,338.70/x - Step 3: Cross multiply
68,718.24x = 103,042.62 × 24,338.70 - Step 4: Simplify right side
68,718.24x = 2,507,923,415.39 - Step 5: Solve for x
x = 2,507,923,415.39/68,718.24 - Step 6: Final answer
x = 36,495.75
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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.