Finding the Fourth Proportional to 74,472.09, 102,794.99 and 47,614.70
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Solution
The fourth proportional to 74,472.09, 102,794.99 and 47,614.70 is: 65,723.32
Step by Step Solution
- Step 1: Write the proportion equation
74,472.09 : 102,794.99 = 47,614.70 : x - Step 2: Convert to fraction form
74,472.09/102,794.99 = 47,614.70/x - Step 3: Cross multiply
74,472.09x = 102,794.99 × 47,614.70 - Step 4: Simplify right side
74,472.09x = 4,894,552,986.38 - Step 5: Solve for x
x = 4,894,552,986.38/74,472.09 - Step 6: Final answer
x = 65,723.32
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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.