Finding the Fourth Proportional to 75,423.74, 113,150.19 and 28,672.97
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Solution
The fourth proportional to 75,423.74, 113,150.19 and 28,672.97 is: 43,014.99
Step by Step Solution
- Step 1: Write the proportion equation
75,423.74 : 113,150.19 = 28,672.97 : x - Step 2: Convert to fraction form
75,423.74/113,150.19 = 28,672.97/x - Step 3: Cross multiply
75,423.74x = 113,150.19 × 28,672.97 - Step 4: Simplify right side
75,423.74x = 3,244,351,437.61 - Step 5: Solve for x
x = 3,244,351,437.61/75,423.74 - Step 6: Final answer
x = 43,014.99
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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.