Finding the Fourth Proportional to 74,325.21, 102,582.95 and 44,127.09
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Solution
The fourth proportional to 74,325.21, 102,582.95 and 44,127.09 is: 60,903.79
Step by Step Solution
- Step 1: Write the proportion equation
74,325.21 : 102,582.95 = 44,127.09 : x - Step 2: Convert to fraction form
74,325.21/102,582.95 = 44,127.09/x - Step 3: Cross multiply
74,325.21x = 102,582.95 × 44,127.09 - Step 4: Simplify right side
74,325.21x = 4,526,686,846.48 - Step 5: Solve for x
x = 4,526,686,846.48/74,325.21 - Step 6: Final answer
x = 60,903.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.