Finding the Fourth Proportional to 94,966.25, 131,079.33 and 59,135.09
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Solution
The fourth proportional to 94,966.25, 131,079.33 and 59,135.09 is: 81,622.55
Step by Step Solution
- Step 1: Write the proportion equation
94,966.25 : 131,079.33 = 59,135.09 : x - Step 2: Convert to fraction form
94,966.25/131,079.33 = 59,135.09/x - Step 3: Cross multiply
94,966.25x = 131,079.33 × 59,135.09 - Step 4: Simplify right side
94,966.25x = 7,751,387,321.29 - Step 5: Solve for x
x = 7,751,387,321.29/94,966.25 - Step 6: Final answer
x = 81,622.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.