Finding the Fourth Proportional to 73,478.07, 110,129.36 and 51,170.67
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Solution
The fourth proportional to 73,478.07, 110,129.36 and 51,170.67 is: 76,694.90
Step by Step Solution
- Step 1: Write the proportion equation
73,478.07 : 110,129.36 = 51,170.67 : x - Step 2: Convert to fraction form
73,478.07/110,129.36 = 51,170.67/x - Step 3: Cross multiply
73,478.07x = 110,129.36 × 51,170.67 - Step 4: Simplify right side
73,478.07x = 5,635,392,882.02 - Step 5: Solve for x
x = 5,635,392,882.02/73,478.07 - Step 6: Final answer
x = 76,694.90
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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.