Finding the Fourth Proportional to 71,824.05, 107,754.60 and 34,412.99
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Solution
The fourth proportional to 71,824.05, 107,754.60 and 34,412.99 is: 51,628.36
Step by Step Solution
- Step 1: Write the proportion equation
71,824.05 : 107,754.60 = 34,412.99 : x - Step 2: Convert to fraction form
71,824.05/107,754.60 = 34,412.99/x - Step 3: Cross multiply
71,824.05x = 107,754.60 × 34,412.99 - Step 4: Simplify right side
71,824.05x = 3,708,157,562.53 - Step 5: Solve for x
x = 3,708,157,562.53/71,824.05 - Step 6: Final answer
x = 51,628.36
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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.