Finding the Fourth Proportional to 80,112.18, 110,552.64 and 44,303.70
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Solution
The fourth proportional to 80,112.18, 110,552.64 and 44,303.70 is: 61,137.91
Step by Step Solution
- Step 1: Write the proportion equation
80,112.18 : 110,552.64 = 44,303.70 : x - Step 2: Convert to fraction form
80,112.18/110,552.64 = 44,303.70/x - Step 3: Cross multiply
80,112.18x = 110,552.64 × 44,303.70 - Step 4: Simplify right side
80,112.18x = 4,897,890,996.77 - Step 5: Solve for x
x = 4,897,890,996.77/80,112.18 - Step 6: Final answer
x = 61,137.91
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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.