Finding the Fourth Proportional to 79,932.19, 110,306.43 and 44,122.21
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Solution
The fourth proportional to 79,932.19, 110,306.43 and 44,122.21 is: 60,888.65
Step by Step Solution
- Step 1: Write the proportion equation
79,932.19 : 110,306.43 = 44,122.21 : x - Step 2: Convert to fraction form
79,932.19/110,306.43 = 44,122.21/x - Step 3: Cross multiply
79,932.19x = 110,306.43 × 44,122.21 - Step 4: Simplify right side
79,932.19x = 4,866,963,468.81 - Step 5: Solve for x
x = 4,866,963,468.81/79,932.19 - Step 6: Final answer
x = 60,888.65
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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.