Finding the Fourth Proportional to 75,331.57, 113,004.66 and 25,427.08
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Solution
The fourth proportional to 75,331.57, 113,004.66 and 25,427.08 is: 38,143.09
Step by Step Solution
- Step 1: Write the proportion equation
75,331.57 : 113,004.66 = 25,427.08 : x - Step 2: Convert to fraction form
75,331.57/113,004.66 = 25,427.08/x - Step 3: Cross multiply
75,331.57x = 113,004.66 × 25,427.08 - Step 4: Simplify right side
75,331.57x = 2,873,378,530.19 - Step 5: Solve for x
x = 2,873,378,530.19/75,331.57 - Step 6: Final answer
x = 38,143.09
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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.