Finding the Fourth Proportional to 94,824.24, 130,869.99 and 91,708.68
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Solution
The fourth proportional to 94,824.24, 130,869.99 and 91,708.68 is: 126,570.11
Step by Step Solution
- Step 1: Write the proportion equation
94,824.24 : 130,869.99 = 91,708.68 : x - Step 2: Convert to fraction form
94,824.24/130,869.99 = 91,708.68/x - Step 3: Cross multiply
94,824.24x = 130,869.99 × 91,708.68 - Step 4: Simplify right side
94,824.24x = 12,001,914,034.51 - Step 5: Solve for x
x = 12,001,914,034.51/94,824.24 - Step 6: Final answer
x = 126,570.11
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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.