Finding the Fourth Proportional to 81,020.88, 121,574.00 and 41,577.99
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Solution
The fourth proportional to 81,020.88, 121,574.00 and 41,577.99 is: 62,388.88
Step by Step Solution
- Step 1: Write the proportion equation
81,020.88 : 121,574.00 = 41,577.99 : x - Step 2: Convert to fraction form
81,020.88/121,574.00 = 41,577.99/x - Step 3: Cross multiply
81,020.88x = 121,574.00 × 41,577.99 - Step 4: Simplify right side
81,020.88x = 5,054,802,348.37 - Step 5: Solve for x
x = 5,054,802,348.37/81,020.88 - Step 6: Final answer
x = 62,388.88
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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.