Finding the Fourth Proportional to 79,886.91, 110,243.80 and 44,076.81
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Solution
The fourth proportional to 79,886.91, 110,243.80 and 44,076.81 is: 60,825.92
Step by Step Solution
- Step 1: Write the proportion equation
79,886.91 : 110,243.80 = 44,076.81 : x - Step 2: Convert to fraction form
79,886.91/110,243.80 = 44,076.81/x - Step 3: Cross multiply
79,886.91x = 110,243.80 × 44,076.81 - Step 4: Simplify right side
79,886.91x = 4,859,195,026.28 - Step 5: Solve for x
x = 4,859,195,026.28/79,886.91 - Step 6: Final answer
x = 60,825.92
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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.