Finding the Fourth Proportional to 75,760.54, 113,515.17 and 46,088.62
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Solution
The fourth proportional to 75,760.54, 113,515.17 and 46,088.62 is: 69,056.50
Step by Step Solution
- Step 1: Write the proportion equation
75,760.54 : 113,515.17 = 46,088.62 : x - Step 2: Convert to fraction form
75,760.54/113,515.17 = 46,088.62/x - Step 3: Cross multiply
75,760.54x = 113,515.17 × 46,088.62 - Step 4: Simplify right side
75,760.54x = 5,231,757,534.37 - Step 5: Solve for x
x = 5,231,757,534.37/75,760.54 - Step 6: Final answer
x = 69,056.50
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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.