Finding the Fourth Proportional to 79,930.18, 110,295.79 and 44,117.88
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Solution
The fourth proportional to 79,930.18, 110,295.79 and 44,117.88 is: 60,878.33
Step by Step Solution
- Step 1: Write the proportion equation
79,930.18 : 110,295.79 = 44,117.88 : x - Step 2: Convert to fraction form
79,930.18/110,295.79 = 44,117.88/x - Step 3: Cross multiply
79,930.18x = 110,295.79 × 44,117.88 - Step 4: Simplify right side
79,930.18x = 4,866,015,903.82 - Step 5: Solve for x
x = 4,866,015,903.82/79,930.18 - Step 6: Final answer
x = 60,878.33
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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.