Finding the Fourth Proportional to 61,962.40, 85,515.48 and 36,812
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Solution
The fourth proportional to 61,962.40, 85,515.48 and 36,812 is: 50,804.94
Step by Step Solution
- Step 1: Write the proportion equation
61,962.40 : 85,515.48 = 36,812 : x - Step 2: Convert to fraction form
61,962.40/85,515.48 = 36,812/x - Step 3: Cross multiply
61,962.40x = 85,515.48 × 36,812 - Step 4: Simplify right side
61,962.40x = 3,147,995,849.76 - Step 5: Solve for x
x = 3,147,995,849.76/61,962.40 - Step 6: Final answer
x = 50,804.94
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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.