Finding the Fourth Proportional to 73,822.38, 110,748.16 and 27,075.66
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Solution
The fourth proportional to 73,822.38, 110,748.16 and 27,075.66 is: 40,618.84
Step by Step Solution
- Step 1: Write the proportion equation
73,822.38 : 110,748.16 = 27,075.66 : x - Step 2: Convert to fraction form
73,822.38/110,748.16 = 27,075.66/x - Step 3: Cross multiply
73,822.38x = 110,748.16 × 27,075.66 - Step 4: Simplify right side
73,822.38x = 2,998,579,525.79 - Step 5: Solve for x
x = 2,998,579,525.79/73,822.38 - Step 6: Final answer
x = 40,618.84
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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.