Finding the Fourth Proportional to 75,720.09, 113,576.02 and 23,125.47
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Solution
The fourth proportional to 75,720.09, 113,576.02 and 23,125.47 is: 34,686.95
Step by Step Solution
- Step 1: Write the proportion equation
75,720.09 : 113,576.02 = 23,125.47 : x - Step 2: Convert to fraction form
75,720.09/113,576.02 = 23,125.47/x - Step 3: Cross multiply
75,720.09x = 113,576.02 × 23,125.47 - Step 4: Simplify right side
75,720.09x = 2,626,498,843.23 - Step 5: Solve for x
x = 2,626,498,843.23/75,720.09 - Step 6: Final answer
x = 34,686.95
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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.