Finding the Fourth Proportional to 75,586.10, 113,375.40 and 28,197.48
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Solution
The fourth proportional to 75,586.10, 113,375.40 and 28,197.48 is: 42,294.82
Step by Step Solution
- Step 1: Write the proportion equation
75,586.10 : 113,375.40 = 28,197.48 : x - Step 2: Convert to fraction form
75,586.10/113,375.40 = 28,197.48/x - Step 3: Cross multiply
75,586.10x = 113,375.40 × 28,197.48 - Step 4: Simplify right side
75,586.10x = 3,196,900,573.99 - Step 5: Solve for x
x = 3,196,900,573.99/75,586.10 - Step 6: Final answer
x = 42,294.82
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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.