Finding the Fourth Proportional to 79,896.50, 110,260.68 and 45,915.92
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Solution
The fourth proportional to 79,896.50, 110,260.68 and 45,915.92 is: 63,365.99
Step by Step Solution
- Step 1: Write the proportion equation
79,896.50 : 110,260.68 = 45,915.92 : x - Step 2: Convert to fraction form
79,896.50/110,260.68 = 45,915.92/x - Step 3: Cross multiply
79,896.50x = 110,260.68 × 45,915.92 - Step 4: Simplify right side
79,896.50x = 5,062,720,562.03 - Step 5: Solve for x
x = 5,062,720,562.03/79,896.50 - Step 6: Final answer
x = 63,365.99
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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.