Finding the Fourth Proportional to 75,217.21, 112,896.28 and 39,704.88
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Solution
The fourth proportional to 75,217.21, 112,896.28 and 39,704.88 is: 59,594.52
Step by Step Solution
- Step 1: Write the proportion equation
75,217.21 : 112,896.28 = 39,704.88 : x - Step 2: Convert to fraction form
75,217.21/112,896.28 = 39,704.88/x - Step 3: Cross multiply
75,217.21x = 112,896.28 × 39,704.88 - Step 4: Simplify right side
75,217.21x = 4,482,533,722.84 - Step 5: Solve for x
x = 4,482,533,722.84/75,217.21 - Step 6: Final answer
x = 59,594.52
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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.