Finding the Fourth Proportional to 75,582.81, 113,298.98 and 36,093.75
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Solution
The fourth proportional to 75,582.81, 113,298.98 and 36,093.75 is: 54,104.69
Step by Step Solution
- Step 1: Write the proportion equation
75,582.81 : 113,298.98 = 36,093.75 : x - Step 2: Convert to fraction form
75,582.81/113,298.98 = 36,093.75/x - Step 3: Cross multiply
75,582.81x = 113,298.98 × 36,093.75 - Step 4: Simplify right side
75,582.81x = 4,089,384,878.91 - Step 5: Solve for x
x = 4,089,384,878.91/75,582.81 - Step 6: Final answer
x = 54,104.69
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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.