Finding the Fourth Proportional to 71,824.05, 107,635.26 and 56,764.98
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Solution
The fourth proportional to 71,824.05, 107,635.26 and 56,764.98 is: 85,067.79
Step by Step Solution
- Step 1: Write the proportion equation
71,824.05 : 107,635.26 = 56,764.98 : x - Step 2: Convert to fraction form
71,824.05/107,635.26 = 56,764.98/x - Step 3: Cross multiply
71,824.05x = 107,635.26 × 56,764.98 - Step 4: Simplify right side
71,824.05x = 6,109,913,381.19 - Step 5: Solve for x
x = 6,109,913,381.19/71,824.05 - Step 6: Final answer
x = 85,067.79
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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.