Finding the Fourth Proportional to 94,145.24, 129,920.26 and 51,703.76
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Solution
The fourth proportional to 94,145.24, 129,920.26 and 51,703.76 is: 71,351.09
Step by Step Solution
- Step 1: Write the proportion equation
94,145.24 : 129,920.26 = 51,703.76 : x - Step 2: Convert to fraction form
94,145.24/129,920.26 = 51,703.76/x - Step 3: Cross multiply
94,145.24x = 129,920.26 × 51,703.76 - Step 4: Simplify right side
94,145.24x = 6,717,365,942.18 - Step 5: Solve for x
x = 6,717,365,942.18/94,145.24 - Step 6: Final answer
x = 71,351.09
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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.