Finding the Fourth Proportional to 69,893.22, 104,838.60 and 17,302.70
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Solution
The fourth proportional to 69,893.22, 104,838.60 and 17,302.70 is: 25,953.75
Step by Step Solution
- Step 1: Write the proportion equation
69,893.22 : 104,838.60 = 17,302.70 : x - Step 2: Convert to fraction form
69,893.22/104,838.60 = 17,302.70/x - Step 3: Cross multiply
69,893.22x = 104,838.60 × 17,302.70 - Step 4: Simplify right side
69,893.22x = 1,813,990,844.22 - Step 5: Solve for x
x = 1,813,990,844.22/69,893.22 - Step 6: Final answer
x = 25,953.75
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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.