Finding the Fourth Proportional to 78,600.92, 117,865.26 and 25,283.07
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Solution
The fourth proportional to 78,600.92, 117,865.26 and 25,283.07 is: 37,912.99
Step by Step Solution
- Step 1: Write the proportion equation
78,600.92 : 117,865.26 = 25,283.07 : x - Step 2: Convert to fraction form
78,600.92/117,865.26 = 25,283.07/x - Step 3: Cross multiply
78,600.92x = 117,865.26 × 25,283.07 - Step 4: Simplify right side
78,600.92x = 2,979,995,619.15 - Step 5: Solve for x
x = 2,979,995,619.15/78,600.92 - Step 6: Final answer
x = 37,912.99
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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.