Finding the Fourth Proportional to 75,171.70, 103,736.99 and 41,181.42
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Solution
The fourth proportional to 75,171.70, 103,736.99 and 41,181.42 is: 56,830.37
Step by Step Solution
- Step 1: Write the proportion equation
75,171.70 : 103,736.99 = 41,181.42 : x - Step 2: Convert to fraction form
75,171.70/103,736.99 = 41,181.42/x - Step 3: Cross multiply
75,171.70x = 103,736.99 × 41,181.42 - Step 4: Simplify right side
75,171.70x = 4,272,035,830.13 - Step 5: Solve for x
x = 4,272,035,830.13/75,171.70 - Step 6: Final answer
x = 56,830.37
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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.