Finding the Fourth Proportional to 73,516.42, 110,274.69 and 20,925.91
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Solution
The fourth proportional to 73,516.42, 110,274.69 and 20,925.91 is: 31,388.88
Step by Step Solution
- Step 1: Write the proportion equation
73,516.42 : 110,274.69 = 20,925.91 : x - Step 2: Convert to fraction form
73,516.42/110,274.69 = 20,925.91/x - Step 3: Cross multiply
73,516.42x = 110,274.69 × 20,925.91 - Step 4: Simplify right side
73,516.42x = 2,307,598,238.22 - Step 5: Solve for x
x = 2,307,598,238.22/73,516.42 - Step 6: Final answer
x = 31,388.88
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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.