Finding the Fourth Proportional to 74,523.78, 102,806.68 and 44,287.70
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Solution
The fourth proportional to 74,523.78, 102,806.68 and 44,287.70 is: 61,095.55
Step by Step Solution
- Step 1: Write the proportion equation
74,523.78 : 102,806.68 = 44,287.70 : x - Step 2: Convert to fraction form
74,523.78/102,806.68 = 44,287.70/x - Step 3: Cross multiply
74,523.78x = 102,806.68 × 44,287.70 - Step 4: Simplify right side
74,523.78x = 4,553,071,401.84 - Step 5: Solve for x
x = 4,553,071,401.84/74,523.78 - Step 6: Final answer
x = 61,095.55
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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.