Finding the Fourth Proportional to 79,809.63, 110,138.04 and 44,000.91
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Solution
The fourth proportional to 79,809.63, 110,138.04 and 44,000.91 is: 60,721.67
Step by Step Solution
- Step 1: Write the proportion equation
79,809.63 : 110,138.04 = 44,000.91 : x - Step 2: Convert to fraction form
79,809.63/110,138.04 = 44,000.91/x - Step 3: Cross multiply
79,809.63x = 110,138.04 × 44,000.91 - Step 4: Simplify right side
79,809.63x = 4,846,173,985.62 - Step 5: Solve for x
x = 4,846,173,985.62/79,809.63 - Step 6: Final answer
x = 60,721.67
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1.5x scale
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.