Finding the Fourth Proportional to 68,086.48, 102,107.04 and 28,636.24
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Solution
The fourth proportional to 68,086.48, 102,107.04 and 28,636.24 is: 42,944.82
Step by Step Solution
- Step 1: Write the proportion equation
68,086.48 : 102,107.04 = 28,636.24 : x - Step 2: Convert to fraction form
68,086.48/102,107.04 = 28,636.24/x - Step 3: Cross multiply
68,086.48x = 102,107.04 × 28,636.24 - Step 4: Simplify right side
68,086.48x = 2,923,961,703.13 - Step 5: Solve for x
x = 2,923,961,703.13/68,086.48 - Step 6: Final answer
x = 42,944.82
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1.5x scale
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.