Finding the Fourth Proportional to 74,481.40, 102,776.66 and 44,260.91
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Solution
The fourth proportional to 74,481.40, 102,776.66 and 44,260.91 is: 61,075.49
Step by Step Solution
- Step 1: Write the proportion equation
74,481.40 : 102,776.66 = 44,260.91 : x - Step 2: Convert to fraction form
74,481.40/102,776.66 = 44,260.91/x - Step 3: Cross multiply
74,481.40x = 102,776.66 × 44,260.91 - Step 4: Simplify right side
74,481.40x = 4,548,988,040.28 - Step 5: Solve for x
x = 4,548,988,040.28/74,481.40 - Step 6: Final answer
x = 61,075.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.