Finding the Fourth Proportional to 75,147.96, 112,723.98 and 22,557.45
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Solution
The fourth proportional to 75,147.96, 112,723.98 and 22,557.45 is: 33,836.79
Step by Step Solution
- Step 1: Write the proportion equation
75,147.96 : 112,723.98 = 22,557.45 : x - Step 2: Convert to fraction form
75,147.96/112,723.98 = 22,557.45/x - Step 3: Cross multiply
75,147.96x = 112,723.98 × 22,557.45 - Step 4: Simplify right side
75,147.96x = 2,542,765,542.65 - Step 5: Solve for x
x = 2,542,765,542.65/75,147.96 - Step 6: Final answer
x = 33,836.79
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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.