Finding the Fourth Proportional to 74,728.08, 103,071.96 and 44,489.97
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Solution
The fourth proportional to 74,728.08, 103,071.96 and 44,489.97 is: 61,364.73
Step by Step Solution
- Step 1: Write the proportion equation
74,728.08 : 103,071.96 = 44,489.97 : x - Step 2: Convert to fraction form
74,728.08/103,071.96 = 44,489.97/x - Step 3: Cross multiply
74,728.08x = 103,071.96 × 44,489.97 - Step 4: Simplify right side
74,728.08x = 4,585,668,408.24 - Step 5: Solve for x
x = 4,585,668,408.24/74,728.08 - Step 6: Final answer
x = 61,364.73
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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.