Finding the Fourth Proportional to 71,232.21, 106,753.93 and 37,880.46
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Solution
The fourth proportional to 71,232.21, 106,753.93 and 37,880.46 is: 56,770.49
Step by Step Solution
- Step 1: Write the proportion equation
71,232.21 : 106,753.93 = 37,880.46 : x - Step 2: Convert to fraction form
71,232.21/106,753.93 = 37,880.46/x - Step 3: Cross multiply
71,232.21x = 106,753.93 × 37,880.46 - Step 4: Simplify right side
71,232.21x = 4,043,887,346.74 - Step 5: Solve for x
x = 4,043,887,346.74/71,232.21 - Step 6: Final answer
x = 56,770.49
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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.