Finding the Fourth Proportional to 84,921.24, 117,188.46 and 47,194.68
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Solution
The fourth proportional to 84,921.24, 117,188.46 and 47,194.68 is: 65,127.07
Step by Step Solution
- Step 1: Write the proportion equation
84,921.24 : 117,188.46 = 47,194.68 : x - Step 2: Convert to fraction form
84,921.24/117,188.46 = 47,194.68/x - Step 3: Cross multiply
84,921.24x = 117,188.46 × 47,194.68 - Step 4: Simplify right side
84,921.24x = 5,530,671,869.39 - Step 5: Solve for x
x = 5,530,671,869.39/84,921.24 - Step 6: Final answer
x = 65,127.07
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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.