Finding the Fourth Proportional to 84,007.13, 126,010.70 and 48,922.19
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Solution
The fourth proportional to 84,007.13, 126,010.70 and 48,922.19 is: 73,383.28
Step by Step Solution
- Step 1: Write the proportion equation
84,007.13 : 126,010.70 = 48,922.19 : x - Step 2: Convert to fraction form
84,007.13/126,010.70 = 48,922.19/x - Step 3: Cross multiply
84,007.13x = 126,010.70 × 48,922.19 - Step 4: Simplify right side
84,007.13x = 6,164,718,532.77 - Step 5: Solve for x
x = 6,164,718,532.77/84,007.13 - Step 6: Final answer
x = 73,383.28
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1.5x scale
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.