Finding the Fourth Proportional to 75,455.24, 113,010.53 and 36,040.23
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Solution
The fourth proportional to 75,455.24, 113,010.53 and 36,040.23 is: 53,978.03
Step by Step Solution
- Step 1: Write the proportion equation
75,455.24 : 113,010.53 = 36,040.23 : x - Step 2: Convert to fraction form
75,455.24/113,010.53 = 36,040.23/x - Step 3: Cross multiply
75,455.24x = 113,010.53 × 36,040.23 - Step 4: Simplify right side
75,455.24x = 4,072,925,313.42 - Step 5: Solve for x
x = 4,072,925,313.42/75,455.24 - Step 6: Final answer
x = 53,978.03
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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.