Finding the Fourth Proportional to 75,673.13, 113,229.43 and 47,367.68
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Solution
The fourth proportional to 75,673.13, 113,229.43 and 47,367.68 is: 70,876.08
Step by Step Solution
- Step 1: Write the proportion equation
75,673.13 : 113,229.43 = 47,367.68 : x - Step 2: Convert to fraction form
75,673.13/113,229.43 = 47,367.68/x - Step 3: Cross multiply
75,673.13x = 113,229.43 × 47,367.68 - Step 4: Simplify right side
75,673.13x = 5,363,414,722.26 - Step 5: Solve for x
x = 5,363,414,722.26/75,673.13 - Step 6: Final answer
x = 70,876.08
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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.