Finding the Fourth Proportional to 74,562.24, 102,861.99 and 44,330.39
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Solution
The fourth proportional to 74,562.24, 102,861.99 and 44,330.39 is: 61,155.78
Step by Step Solution
- Step 1: Write the proportion equation
74,562.24 : 102,861.99 = 44,330.39 : x - Step 2: Convert to fraction form
74,562.24/102,861.99 = 44,330.39/x - Step 3: Cross multiply
74,562.24x = 102,861.99 × 44,330.39 - Step 4: Simplify right side
74,562.24x = 4,559,911,618.57 - Step 5: Solve for x
x = 4,559,911,618.57/74,562.24 - Step 6: Final answer
x = 61,155.78
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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.