Finding the Fourth Proportional to 94,133.76, 129,902.99 and 51,691.99
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Solution
The fourth proportional to 94,133.76, 129,902.99 and 51,691.99 is: 71,334.07
Step by Step Solution
- Step 1: Write the proportion equation
94,133.76 : 129,902.99 = 51,691.99 : x - Step 2: Convert to fraction form
94,133.76/129,902.99 = 51,691.99/x - Step 3: Cross multiply
94,133.76x = 129,902.99 × 51,691.99 - Step 4: Simplify right side
94,133.76x = 6,714,944,060.05 - Step 5: Solve for x
x = 6,714,944,060.05/94,133.76 - Step 6: Final answer
x = 71,334.07
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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.