Finding the Fourth Proportional to 79,813.69, 110,137.84 and 44,003.95
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Solution
The fourth proportional to 79,813.69, 110,137.84 and 44,003.95 is: 60,722.67
Step by Step Solution
- Step 1: Write the proportion equation
79,813.69 : 110,137.84 = 44,003.95 : x - Step 2: Convert to fraction form
79,813.69/110,137.84 = 44,003.95/x - Step 3: Cross multiply
79,813.69x = 110,137.84 × 44,003.95 - Step 4: Simplify right side
79,813.69x = 4,846,500,004.47 - Step 5: Solve for x
x = 4,846,500,004.47/79,813.69 - Step 6: Final answer
x = 60,722.67
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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.