Finding the Fourth Proportional to 84,513.32, 126,583.11 and 57,795.99
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Solution
The fourth proportional to 84,513.32, 126,583.11 and 57,795.99 is: 86,566.19
Step by Step Solution
- Step 1: Write the proportion equation
84,513.32 : 126,583.11 = 57,795.99 : x - Step 2: Convert to fraction form
84,513.32/126,583.11 = 57,795.99/x - Step 3: Cross multiply
84,513.32x = 126,583.11 × 57,795.99 - Step 4: Simplify right side
84,513.32x = 7,315,996,159.73 - Step 5: Solve for x
x = 7,315,996,159.73/84,513.32 - Step 6: Final answer
x = 86,566.19
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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.