Finding the Fourth Proportional to 73,546.20, 110,319.30 and 51,427.80
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Solution
The fourth proportional to 73,546.20, 110,319.30 and 51,427.80 is: 77,141.70
Step by Step Solution
- Step 1: Write the proportion equation
73,546.20 : 110,319.30 = 51,427.80 : x - Step 2: Convert to fraction form
73,546.20/110,319.30 = 51,427.80/x - Step 3: Cross multiply
73,546.20x = 110,319.30 × 51,427.80 - Step 4: Simplify right side
73,546.20x = 5,673,478,896.54 - Step 5: Solve for x
x = 5,673,478,896.54/73,546.20 - Step 6: Final answer
x = 77,141.70
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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.