Finding the Fourth Proportional to 84,341.79, 126,450.19 and 51,053.99
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Solution
The fourth proportional to 84,341.79, 126,450.19 and 51,053.99 is: 76,543.15
Step by Step Solution
- Step 1: Write the proportion equation
84,341.79 : 126,450.19 = 51,053.99 : x - Step 2: Convert to fraction form
84,341.79/126,450.19 = 51,053.99/x - Step 3: Cross multiply
84,341.79x = 126,450.19 × 51,053.99 - Step 4: Simplify right side
84,341.79x = 6,455,786,167.32 - Step 5: Solve for x
x = 6,455,786,167.32/84,341.79 - Step 6: Final answer
x = 76,543.15
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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.