Finding the Fourth Proportional to 84,606.12, 126,891.36 and 25,424.28
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Solution
The fourth proportional to 84,606.12, 126,891.36 and 25,424.28 is: 38,131.07
Step by Step Solution
- Step 1: Write the proportion equation
84,606.12 : 126,891.36 = 25,424.28 : x - Step 2: Convert to fraction form
84,606.12/126,891.36 = 25,424.28/x - Step 3: Cross multiply
84,606.12x = 126,891.36 × 25,424.28 - Step 4: Simplify right side
84,606.12x = 3,226,121,466.22 - Step 5: Solve for x
x = 3,226,121,466.22/84,606.12 - Step 6: Final answer
x = 38,131.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.