Finding the Fourth Proportional to 75,530.43, 113,326.38 and 48,542.99
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Solution
The fourth proportional to 75,530.43, 113,326.38 and 48,542.99 is: 72,834.23
Step by Step Solution
- Step 1: Write the proportion equation
75,530.43 : 113,326.38 = 48,542.99 : x - Step 2: Convert to fraction form
75,530.43/113,326.38 = 48,542.99/x - Step 3: Cross multiply
75,530.43x = 113,326.38 × 48,542.99 - Step 4: Simplify right side
75,530.43x = 5,501,200,764.44 - Step 5: Solve for x
x = 5,501,200,764.44/75,530.43 - Step 6: Final answer
x = 72,834.23
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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.