Finding the Fourth Proportional to 79,890.36, 110,249.30 and 44,081.70
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Solution
The fourth proportional to 79,890.36, 110,249.30 and 44,081.70 is: 60,833.08
Step by Step Solution
- Step 1: Write the proportion equation
79,890.36 : 110,249.30 = 44,081.70 : x - Step 2: Convert to fraction form
79,890.36/110,249.30 = 44,081.70/x - Step 3: Cross multiply
79,890.36x = 110,249.30 × 44,081.70 - Step 4: Simplify right side
79,890.36x = 4,859,976,567.81 - Step 5: Solve for x
x = 4,859,976,567.81/79,890.36 - Step 6: Final answer
x = 60,833.08
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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.