Finding the Fourth Proportional to 75,110.92, 103,658.34 and 41,579.08
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Solution
The fourth proportional to 75,110.92, 103,658.34 and 41,579.08 is: 57,382.05
Step by Step Solution
- Step 1: Write the proportion equation
75,110.92 : 103,658.34 = 41,579.08 : x - Step 2: Convert to fraction form
75,110.92/103,658.34 = 41,579.08/x - Step 3: Cross multiply
75,110.92x = 103,658.34 × 41,579.08 - Step 4: Simplify right side
75,110.92x = 4,310,018,411.53 - Step 5: Solve for x
x = 4,310,018,411.53/75,110.92 - Step 6: Final answer
x = 57,382.05
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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.