Finding the Fourth Proportional to 75,428.79, 104,077.00 and 43,173.27
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Solution
The fourth proportional to 75,428.79, 104,077.00 and 43,173.27 is: 59,570.69
Step by Step Solution
- Step 1: Write the proportion equation
75,428.79 : 104,077.00 = 43,173.27 : x - Step 2: Convert to fraction form
75,428.79/104,077.00 = 43,173.27/x - Step 3: Cross multiply
75,428.79x = 104,077.00 × 43,173.27 - Step 4: Simplify right side
75,428.79x = 4,493,344,866.05 - Step 5: Solve for x
x = 4,493,344,866.05/75,428.79 - Step 6: Final answer
x = 59,570.69
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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.