Finding the Fourth Proportional to 83,062.92, 124,617.42 and 47,938.44
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Solution
The fourth proportional to 83,062.92, 124,617.42 and 47,938.44 is: 71,920.96
Step by Step Solution
- Step 1: Write the proportion equation
83,062.92 : 124,617.42 = 47,938.44 : x - Step 2: Convert to fraction form
83,062.92/124,617.42 = 47,938.44/x - Step 3: Cross multiply
83,062.92x = 124,617.42 × 47,938.44 - Step 4: Simplify right side
83,062.92x = 5,973,964,711.62 - Step 5: Solve for x
x = 5,973,964,711.62/83,062.92 - Step 6: Final answer
x = 71,920.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.