Finding the Fourth Proportional to 80,227.10, 110,731.99 and 53,370.74
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Solution
The fourth proportional to 80,227.10, 110,731.99 and 53,370.74 is: 73,663.99
Step by Step Solution
- Step 1: Write the proportion equation
80,227.10 : 110,731.99 = 53,370.74 : x - Step 2: Convert to fraction form
80,227.10/110,731.99 = 53,370.74/x - Step 3: Cross multiply
80,227.10x = 110,731.99 × 53,370.74 - Step 4: Simplify right side
80,227.10x = 5,909,848,247.97 - Step 5: Solve for x
x = 5,909,848,247.97/80,227.10 - Step 6: Final answer
x = 73,663.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.