Finding the Fourth Proportional to 74,151.08, 102,329.82 and 40,614.92
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Solution
The fourth proportional to 74,151.08, 102,329.82 and 40,614.92 is: 56,049.32
Step by Step Solution
- Step 1: Write the proportion equation
74,151.08 : 102,329.82 = 40,614.92 : x - Step 2: Convert to fraction form
74,151.08/102,329.82 = 40,614.92/x - Step 3: Cross multiply
74,151.08x = 102,329.82 × 40,614.92 - Step 4: Simplify right side
74,151.08x = 4,156,117,452.91 - Step 5: Solve for x
x = 4,156,117,452.91/74,151.08 - Step 6: Final answer
x = 56,049.32
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1.5x scale
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.