Finding the Fourth Proportional to 66,879.61, 100,325.62 and 24,195.75
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Solution
The fourth proportional to 66,879.61, 100,325.62 and 24,195.75 is: 36,295.87
Step by Step Solution
- Step 1: Write the proportion equation
66,879.61 : 100,325.62 = 24,195.75 : x - Step 2: Convert to fraction form
66,879.61/100,325.62 = 24,195.75/x - Step 3: Cross multiply
66,879.61x = 100,325.62 × 24,195.75 - Step 4: Simplify right side
66,879.61x = 2,427,453,274.14 - Step 5: Solve for x
x = 2,427,453,274.14/66,879.61 - Step 6: Final answer
x = 36,295.87
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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.