Finding the Fourth Proportional to 73,440.96, 110,161.24 and 20,850.48
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Solution
The fourth proportional to 73,440.96, 110,161.24 and 20,850.48 is: 31,275.66
Step by Step Solution
- Step 1: Write the proportion equation
73,440.96 : 110,161.24 = 20,850.48 : x - Step 2: Convert to fraction form
73,440.96/110,161.24 = 20,850.48/x - Step 3: Cross multiply
73,440.96x = 110,161.24 × 20,850.48 - Step 4: Simplify right side
73,440.96x = 2,296,914,731.40 - Step 5: Solve for x
x = 2,296,914,731.40/73,440.96 - Step 6: Final answer
x = 31,275.66
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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.