Finding the Fourth Proportional to 79,821.17, 110,144.79 and 44,009.06
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Solution
The fourth proportional to 79,821.17, 110,144.79 and 44,009.06 is: 60,727.86
Step by Step Solution
- Step 1: Write the proportion equation
79,821.17 : 110,144.79 = 44,009.06 : x - Step 2: Convert to fraction form
79,821.17/110,144.79 = 44,009.06/x - Step 3: Cross multiply
79,821.17x = 110,144.79 × 44,009.06 - Step 4: Simplify right side
79,821.17x = 4,847,368,671.80 - Step 5: Solve for x
x = 4,847,368,671.80/79,821.17 - Step 6: Final answer
x = 60,727.86
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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.