Finding the Fourth Proportional to 75,882.24, 113,808.96 and 61,176.96
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Solution
The fourth proportional to 75,882.24, 113,808.96 and 61,176.96 is: 91,753.83
Step by Step Solution
- Step 1: Write the proportion equation
75,882.24 : 113,808.96 = 61,176.96 : x - Step 2: Convert to fraction form
75,882.24/113,808.96 = 61,176.96/x - Step 3: Cross multiply
75,882.24x = 113,808.96 × 61,176.96 - Step 4: Simplify right side
75,882.24x = 6,962,486,193.56 - Step 5: Solve for x
x = 6,962,486,193.56/75,882.24 - Step 6: Final answer
x = 91,753.83
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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.