Finding the Fourth Proportional to 71,262.76, 106,823.66 and 33,756.92
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Solution
The fourth proportional to 71,262.76, 106,823.66 and 33,756.92 is: 50,601.99
Step by Step Solution
- Step 1: Write the proportion equation
71,262.76 : 106,823.66 = 33,756.92 : x - Step 2: Convert to fraction form
71,262.76/106,823.66 = 33,756.92/x - Step 3: Cross multiply
71,262.76x = 106,823.66 × 33,756.92 - Step 4: Simplify right side
71,262.76x = 3,606,037,744.73 - Step 5: Solve for x
x = 3,606,037,744.73/71,262.76 - Step 6: Final answer
x = 50,601.99
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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.