Finding the Fourth Proportional to 71,793.84, 107,682.39 and 19,207.44
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Solution
The fourth proportional to 71,793.84, 107,682.39 and 19,207.44 is: 28,808.92
Step by Step Solution
- Step 1: Write the proportion equation
71,793.84 : 107,682.39 = 19,207.44 : x - Step 2: Convert to fraction form
71,793.84/107,682.39 = 19,207.44/x - Step 3: Cross multiply
71,793.84x = 107,682.39 × 19,207.44 - Step 4: Simplify right side
71,793.84x = 2,068,303,044.98 - Step 5: Solve for x
x = 2,068,303,044.98/71,793.84 - Step 6: Final answer
x = 28,808.92
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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.