Finding the Fourth Proportional to 79,930.47, 110,304.05 and 44,120.49
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Solution
The fourth proportional to 79,930.47, 110,304.05 and 44,120.49 is: 60,886.28
Step by Step Solution
- Step 1: Write the proportion equation
79,930.47 : 110,304.05 = 44,120.49 : x - Step 2: Convert to fraction form
79,930.47/110,304.05 = 44,120.49/x - Step 3: Cross multiply
79,930.47x = 110,304.05 × 44,120.49 - Step 4: Simplify right side
79,930.47x = 4,866,668,734.98 - Step 5: Solve for x
x = 4,866,668,734.98/79,930.47 - Step 6: Final answer
x = 60,886.28
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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.