Finding the Fourth Proportional to 73,425.62, 110,138.51 and 20,118.05
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Solution
The fourth proportional to 73,425.62, 110,138.51 and 20,118.05 is: 30,177.09
Step by Step Solution
- Step 1: Write the proportion equation
73,425.62 : 110,138.51 = 20,118.05 : x - Step 2: Convert to fraction form
73,425.62/110,138.51 = 20,118.05/x - Step 3: Cross multiply
73,425.62x = 110,138.51 × 20,118.05 - Step 4: Simplify right side
73,425.62x = 2,215,771,826.05 - Step 5: Solve for x
x = 2,215,771,826.05/73,425.62 - Step 6: Final answer
x = 30,177.09
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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.