Finding the Fourth Proportional to 75,858.42, 113,752.42 and 44,277.60
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Solution
The fourth proportional to 75,858.42, 113,752.42 and 44,277.60 is: 66,395.85
Step by Step Solution
- Step 1: Write the proportion equation
75,858.42 : 113,752.42 = 44,277.60 : x - Step 2: Convert to fraction form
75,858.42/113,752.42 = 44,277.60/x - Step 3: Cross multiply
75,858.42x = 113,752.42 × 44,277.60 - Step 4: Simplify right side
75,858.42x = 5,036,684,041.10 - Step 5: Solve for x
x = 5,036,684,041.10/75,858.42 - Step 6: Final answer
x = 66,395.85
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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.