Finding the Fourth Proportional to 73,974.14, 110,989.14 and 44,412.58
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Solution
The fourth proportional to 73,974.14, 110,989.14 and 44,412.58 is: 66,635.63
Step by Step Solution
- Step 1: Write the proportion equation
73,974.14 : 110,989.14 = 44,412.58 : x - Step 2: Convert to fraction form
73,974.14/110,989.14 = 44,412.58/x - Step 3: Cross multiply
73,974.14x = 110,989.14 × 44,412.58 - Step 4: Simplify right side
73,974.14x = 4,929,313,282.37 - Step 5: Solve for x
x = 4,929,313,282.37/73,974.14 - Step 6: Final answer
x = 66,635.63
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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.