Finding the Fourth Proportional to 73,134.14, 109,722.09 and 43,175.70
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Solution
The fourth proportional to 73,134.14, 109,722.09 and 43,175.70 is: 64,775.88
Step by Step Solution
- Step 1: Write the proportion equation
73,134.14 : 109,722.09 = 43,175.70 : x - Step 2: Convert to fraction form
73,134.14/109,722.09 = 43,175.70/x - Step 3: Cross multiply
73,134.14x = 109,722.09 × 43,175.70 - Step 4: Simplify right side
73,134.14x = 4,737,328,041.21 - Step 5: Solve for x
x = 4,737,328,041.21/73,134.14 - Step 6: Final answer
x = 64,775.88
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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.