Finding the Fourth Proportional to 75,234.15, 112,811.13 and 25,297.65
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Solution
The fourth proportional to 75,234.15, 112,811.13 and 25,297.65 is: 37,932.99
Step by Step Solution
- Step 1: Write the proportion equation
75,234.15 : 112,811.13 = 25,297.65 : x - Step 2: Convert to fraction form
75,234.15/112,811.13 = 25,297.65/x - Step 3: Cross multiply
75,234.15x = 112,811.13 × 25,297.65 - Step 4: Simplify right side
75,234.15x = 2,853,856,482.84 - Step 5: Solve for x
x = 2,853,856,482.84/75,234.15 - Step 6: Final answer
x = 37,932.99
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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.