Finding the Fourth Proportional to 75,509.24, 113,193.09 and 25,554.38
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Solution
The fourth proportional to 75,509.24, 113,193.09 and 25,554.38 is: 38,307.61
Step by Step Solution
- Step 1: Write the proportion equation
75,509.24 : 113,193.09 = 25,554.38 : x - Step 2: Convert to fraction form
75,509.24/113,193.09 = 25,554.38/x - Step 3: Cross multiply
75,509.24x = 113,193.09 × 25,554.38 - Step 4: Simplify right side
75,509.24x = 2,892,578,669.27 - Step 5: Solve for x
x = 2,892,578,669.27/75,509.24 - Step 6: Final answer
x = 38,307.61
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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.