Finding the Fourth Proportional to 75,672.84, 104,427.56 and 41,680.64
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Solution
The fourth proportional to 75,672.84, 104,427.56 and 41,680.64 is: 57,518.75
Step by Step Solution
- Step 1: Write the proportion equation
75,672.84 : 104,427.56 = 41,680.64 : x - Step 2: Convert to fraction form
75,672.84/104,427.56 = 41,680.64/x - Step 3: Cross multiply
75,672.84x = 104,427.56 × 41,680.64 - Step 4: Simplify right side
75,672.84x = 4,352,607,534.44 - Step 5: Solve for x
x = 4,352,607,534.44/75,672.84 - Step 6: Final answer
x = 57,518.75
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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.