Finding the Fourth Proportional to 74,137.97, 102,306.35 and 43,926.09
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Solution
The fourth proportional to 74,137.97, 102,306.35 and 43,926.09 is: 60,615.61
Step by Step Solution
- Step 1: Write the proportion equation
74,137.97 : 102,306.35 = 43,926.09 : x - Step 2: Convert to fraction form
74,137.97/102,306.35 = 43,926.09/x - Step 3: Cross multiply
74,137.97x = 102,306.35 × 43,926.09 - Step 4: Simplify right side
74,137.97x = 4,493,917,937.67 - Step 5: Solve for x
x = 4,493,917,937.67/74,137.97 - Step 6: Final answer
x = 60,615.61
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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.