Finding the Fourth Proportional to 94,398.24, 129,425.36 and 92,713.44
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Solution
The fourth proportional to 94,398.24, 129,425.36 and 92,713.44 is: 127,115.40
Step by Step Solution
- Step 1: Write the proportion equation
94,398.24 : 129,425.36 = 92,713.44 : x - Step 2: Convert to fraction form
94,398.24/129,425.36 = 92,713.44/x - Step 3: Cross multiply
94,398.24x = 129,425.36 × 92,713.44 - Step 4: Simplify right side
94,398.24x = 11,999,470,348.84 - Step 5: Solve for x
x = 11,999,470,348.84/94,398.24 - Step 6: Final answer
x = 127,115.40
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.