Finding the Fourth Proportional to 75,573.74, 113,236.04 and 43,894.87
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Solution
The fourth proportional to 75,573.74, 113,236.04 and 43,894.87 is: 65,769.95
Step by Step Solution
- Step 1: Write the proportion equation
75,573.74 : 113,236.04 = 43,894.87 : x - Step 2: Convert to fraction form
75,573.74/113,236.04 = 43,894.87/x - Step 3: Cross multiply
75,573.74x = 113,236.04 × 43,894.87 - Step 4: Simplify right side
75,573.74x = 4,970,481,081.76 - Step 5: Solve for x
x = 4,970,481,081.76/75,573.74 - Step 6: Final answer
x = 65,769.95
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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.