Finding the Fourth Proportional to 79,815.39, 110,145.98 and 44,006.68
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Solution
The fourth proportional to 79,815.39, 110,145.98 and 44,006.68 is: 60,729.63
Step by Step Solution
- Step 1: Write the proportion equation
79,815.39 : 110,145.98 = 44,006.68 : x - Step 2: Convert to fraction form
79,815.39/110,145.98 = 44,006.68/x - Step 3: Cross multiply
79,815.39x = 110,145.98 × 44,006.68 - Step 4: Simplify right side
79,815.39x = 4,847,158,895.15 - Step 5: Solve for x
x = 4,847,158,895.15/79,815.39 - Step 6: Final answer
x = 60,729.63
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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.