Finding the Fourth Proportional to 73,819.80, 110,730.08 and 18,415.80
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Solution
The fourth proportional to 73,819.80, 110,730.08 and 18,415.80 is: 27,623.79
Step by Step Solution
- Step 1: Write the proportion equation
73,819.80 : 110,730.08 = 18,415.80 : x - Step 2: Convert to fraction form
73,819.80/110,730.08 = 18,415.80/x - Step 3: Cross multiply
73,819.80x = 110,730.08 × 18,415.80 - Step 4: Simplify right side
73,819.80x = 2,039,183,007.26 - Step 5: Solve for x
x = 2,039,183,007.26/73,819.80 - Step 6: Final answer
x = 27,623.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.