Finding the Fourth Proportional to 75,224.70, 112,670.66 and 30,716.48
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Solution
The fourth proportional to 75,224.70, 112,670.66 and 30,716.48 is: 46,006.78
Step by Step Solution
- Step 1: Write the proportion equation
75,224.70 : 112,670.66 = 30,716.48 : x - Step 2: Convert to fraction form
75,224.70/112,670.66 = 30,716.48/x - Step 3: Cross multiply
75,224.70x = 112,670.66 × 30,716.48 - Step 4: Simplify right side
75,224.70x = 3,460,846,432.94 - Step 5: Solve for x
x = 3,460,846,432.94/75,224.70 - Step 6: Final answer
x = 46,006.78
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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.