Finding the Fourth Proportional to 83,445.10, 125,195.60 and 27,287.80
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Solution
The fourth proportional to 83,445.10, 125,195.60 and 27,287.80 is: 40,940.84
Step by Step Solution
- Step 1: Write the proportion equation
83,445.10 : 125,195.60 = 27,287.80 : x - Step 2: Convert to fraction form
83,445.10/125,195.60 = 27,287.80/x - Step 3: Cross multiply
83,445.10x = 125,195.60 × 27,287.80 - Step 4: Simplify right side
83,445.10x = 3,416,312,493.68 - Step 5: Solve for x
x = 3,416,312,493.68/83,445.10 - Step 6: Final answer
x = 40,940.84
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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.