Finding the Fourth Proportional to 75,453.83, 113,110.39 and 25,498.99
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Solution
The fourth proportional to 75,453.83, 113,110.39 and 25,498.99 is: 38,224.71
Step by Step Solution
- Step 1: Write the proportion equation
75,453.83 : 113,110.39 = 25,498.99 : x - Step 2: Convert to fraction form
75,453.83/113,110.39 = 25,498.99/x - Step 3: Cross multiply
75,453.83x = 113,110.39 × 25,498.99 - Step 4: Simplify right side
75,453.83x = 2,884,200,876.77 - Step 5: Solve for x
x = 2,884,200,876.77/75,453.83 - Step 6: Final answer
x = 38,224.71
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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.