Finding the Fourth Proportional to 79,815.37, 110,145.99 and 44,006.80
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Solution
The fourth proportional to 79,815.37, 110,145.99 and 44,006.80 is: 60,729.81
Step by Step Solution
- Step 1: Write the proportion equation
79,815.37 : 110,145.99 = 44,006.80 : x - Step 2: Convert to fraction form
79,815.37/110,145.99 = 44,006.80/x - Step 3: Cross multiply
79,815.37x = 110,145.99 × 44,006.80 - Step 4: Simplify right side
79,815.37x = 4,847,172,552.73 - Step 5: Solve for x
x = 4,847,172,552.73/79,815.37 - Step 6: Final answer
x = 60,729.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.