Finding the Fourth Proportional to 75,674.06, 104,430.18 and 43,861.40
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Solution
The fourth proportional to 75,674.06, 104,430.18 and 43,861.40 is: 60,528.72
Step by Step Solution
- Step 1: Write the proportion equation
75,674.06 : 104,430.18 = 43,861.40 : x - Step 2: Convert to fraction form
75,674.06/104,430.18 = 43,861.40/x - Step 3: Cross multiply
75,674.06x = 104,430.18 × 43,861.40 - Step 4: Simplify right side
75,674.06x = 4,580,453,897.05 - Step 5: Solve for x
x = 4,580,453,897.05/75,674.06 - Step 6: Final answer
x = 60,528.72
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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.