Finding the Fourth Proportional to 75,675.56, 104,428.41 and 41,683.31
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Solution
The fourth proportional to 75,675.56, 104,428.41 and 41,683.31 is: 57,520.84
Step by Step Solution
- Step 1: Write the proportion equation
75,675.56 : 104,428.41 = 41,683.31 : x - Step 2: Convert to fraction form
75,675.56/104,428.41 = 41,683.31/x - Step 3: Cross multiply
75,675.56x = 104,428.41 × 41,683.31 - Step 4: Simplify right side
75,675.56x = 4,352,921,499.99 - Step 5: Solve for x
x = 4,352,921,499.99/75,675.56 - Step 6: Final answer
x = 57,520.84
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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.