Finding the Fourth Proportional to 84,530.73, 126,788.76 and 51,240.99
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Solution
The fourth proportional to 84,530.73, 126,788.76 and 51,240.99 is: 76,857.04
Step by Step Solution
- Step 1: Write the proportion equation
84,530.73 : 126,788.76 = 51,240.99 : x - Step 2: Convert to fraction form
84,530.73/126,788.76 = 51,240.99/x - Step 3: Cross multiply
84,530.73x = 126,788.76 × 51,240.99 - Step 4: Simplify right side
84,530.73x = 6,496,781,583.27 - Step 5: Solve for x
x = 6,496,781,583.27/84,530.73 - Step 6: Final answer
x = 76,857.04
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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.