Finding the Fourth Proportional to 79,889.88, 110,248.62 and 44,081.19
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Solution
The fourth proportional to 79,889.88, 110,248.62 and 44,081.19 is: 60,832.37
Step by Step Solution
- Step 1: Write the proportion equation
79,889.88 : 110,248.62 = 44,081.19 : x - Step 2: Convert to fraction form
79,889.88/110,248.62 = 44,081.19/x - Step 3: Cross multiply
79,889.88x = 110,248.62 × 44,081.19 - Step 4: Simplify right side
79,889.88x = 4,859,890,365.46 - Step 5: Solve for x
x = 4,859,890,365.46/79,889.88 - Step 6: Final answer
x = 60,832.37
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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.