Finding the Fourth Proportional to 71,281.17, 106,919.37 and 33,868.08
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Solution
The fourth proportional to 71,281.17, 106,919.37 and 33,868.08 is: 50,800.99
Step by Step Solution
- Step 1: Write the proportion equation
71,281.17 : 106,919.37 = 33,868.08 : x - Step 2: Convert to fraction form
71,281.17/106,919.37 = 33,868.08/x - Step 3: Cross multiply
71,281.17x = 106,919.37 × 33,868.08 - Step 4: Simplify right side
71,281.17x = 3,621,153,776.71 - Step 5: Solve for x
x = 3,621,153,776.71/71,281.17 - Step 6: Final answer
x = 50,800.99
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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.