Finding the Fourth Proportional to 86,196.49, 129,294.76 and 23,866.99
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Solution
The fourth proportional to 86,196.49, 129,294.76 and 23,866.99 is: 35,800.49
Step by Step Solution
- Step 1: Write the proportion equation
86,196.49 : 129,294.76 = 23,866.99 : x - Step 2: Convert to fraction form
86,196.49/129,294.76 = 23,866.99/x - Step 3: Cross multiply
86,196.49x = 129,294.76 × 23,866.99 - Step 4: Simplify right side
86,196.49x = 3,085,876,743.97 - Step 5: Solve for x
x = 3,085,876,743.97/86,196.49 - Step 6: Final answer
x = 35,800.49
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Double scale
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Similar ratio
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1.5x scale
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.