Finding the Fourth Proportional to 75,672.08, 104,427.56 and 43,842.80
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Solution
The fourth proportional to 75,672.08, 104,427.56 and 43,842.80 is: 60,503.12
Step by Step Solution
- Step 1: Write the proportion equation
75,672.08 : 104,427.56 = 43,842.80 : x - Step 2: Convert to fraction form
75,672.08/104,427.56 = 43,842.80/x - Step 3: Cross multiply
75,672.08x = 104,427.56 × 43,842.80 - Step 4: Simplify right side
75,672.08x = 4,578,396,627.57 - Step 5: Solve for x
x = 4,578,396,627.57/75,672.08 - Step 6: Final answer
x = 60,503.12
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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.