Finding the Fourth Proportional to 71,282.17, 106,920.87 and 33,869.08
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Solution
The fourth proportional to 71,282.17, 106,920.87 and 33,869.08 is: 50,802.49
Step by Step Solution
- Step 1: Write the proportion equation
71,282.17 : 106,920.87 = 33,869.08 : x - Step 2: Convert to fraction form
71,282.17/106,920.87 = 33,869.08/x - Step 3: Cross multiply
71,282.17x = 106,920.87 × 33,869.08 - Step 4: Simplify right side
71,282.17x = 3,621,311,499.70 - Step 5: Solve for x
x = 3,621,311,499.70/71,282.17 - Step 6: Final answer
x = 50,802.49
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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.