Finding the Fourth Proportional to 75,036.18, 103,581.81 and 46,755.84
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Solution
The fourth proportional to 75,036.18, 103,581.81 and 46,755.84 is: 64,542.92
Step by Step Solution
- Step 1: Write the proportion equation
75,036.18 : 103,581.81 = 46,755.84 : x - Step 2: Convert to fraction form
75,036.18/103,581.81 = 46,755.84/x - Step 3: Cross multiply
75,036.18x = 103,581.81 × 46,755.84 - Step 4: Simplify right side
75,036.18x = 4,843,054,535.27 - Step 5: Solve for x
x = 4,843,054,535.27/75,036.18 - Step 6: Final answer
x = 64,542.92
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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.