Finding the Fourth Proportional to 84,951.68, 117,219.52 and 47,224.96
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Solution
The fourth proportional to 84,951.68, 117,219.52 and 47,224.96 is: 65,162.77
Step by Step Solution
- Step 1: Write the proportion equation
84,951.68 : 117,219.52 = 47,224.96 : x - Step 2: Convert to fraction form
84,951.68/117,219.52 = 47,224.96/x - Step 3: Cross multiply
84,951.68x = 117,219.52 × 47,224.96 - Step 4: Simplify right side
84,951.68x = 5,535,687,143.22 - Step 5: Solve for x
x = 5,535,687,143.22/84,951.68 - Step 6: Final answer
x = 65,162.77
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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.