Finding the Fourth Proportional to 75,234.23, 112,866.11 and 27,849.74
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Solution
The fourth proportional to 75,234.23, 112,866.11 and 27,849.74 is: 41,780.08
Step by Step Solution
- Step 1: Write the proportion equation
75,234.23 : 112,866.11 = 27,849.74 : x - Step 2: Convert to fraction form
75,234.23/112,866.11 = 27,849.74/x - Step 3: Cross multiply
75,234.23x = 112,866.11 × 27,849.74 - Step 4: Simplify right side
75,234.23x = 3,143,291,818.31 - Step 5: Solve for x
x = 3,143,291,818.31/75,234.23 - Step 6: Final answer
x = 41,780.08
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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.