Finding the Fourth Proportional to 75,731.01, 113,470.97 and 46,059.09
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Solution
The fourth proportional to 75,731.01, 113,470.97 and 46,059.09 is: 69,012.28
Step by Step Solution
- Step 1: Write the proportion equation
75,731.01 : 113,470.97 = 46,059.09 : x - Step 2: Convert to fraction form
75,731.01/113,470.97 = 46,059.09/x - Step 3: Cross multiply
75,731.01x = 113,470.97 × 46,059.09 - Step 4: Simplify right side
75,731.01x = 5,226,369,389.32 - Step 5: Solve for x
x = 5,226,369,389.32/75,731.01 - Step 6: Final answer
x = 69,012.28
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1.5x scale
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.