Finding the Fourth Proportional to 106,049.79, 146,349.54 and 57,651.70
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Solution
The fourth proportional to 106,049.79, 146,349.54 and 57,651.70 is: 79,559.80
Step by Step Solution
- Step 1: Write the proportion equation
106,049.79 : 146,349.54 = 57,651.70 : x - Step 2: Convert to fraction form
106,049.79/146,349.54 = 57,651.70/x - Step 3: Cross multiply
106,049.79x = 146,349.54 × 57,651.70 - Step 4: Simplify right side
106,049.79x = 8,437,299,775.22 - Step 5: Solve for x
x = 8,437,299,775.22/106,049.79 - Step 6: Final answer
x = 79,559.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.