Finding the Fourth Proportional to 74,751.88, 103,182.58 and 44,546.68
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Solution
The fourth proportional to 74,751.88, 103,182.58 and 44,546.68 is: 61,489.31
Step by Step Solution
- Step 1: Write the proportion equation
74,751.88 : 103,182.58 = 44,546.68 : x - Step 2: Convert to fraction form
74,751.88/103,182.58 = 44,546.68/x - Step 3: Cross multiply
74,751.88x = 103,182.58 × 44,546.68 - Step 4: Simplify right side
74,751.88x = 4,596,441,372.83 - Step 5: Solve for x
x = 4,596,441,372.83/74,751.88 - Step 6: Final answer
x = 61,489.31
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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.