Finding the Fourth Proportional to 79,833.19, 110,166.04 and 45,818.05
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Solution
The fourth proportional to 79,833.19, 110,166.04 and 45,818.05 is: 63,226.75
Step by Step Solution
- Step 1: Write the proportion equation
79,833.19 : 110,166.04 = 45,818.05 : x - Step 2: Convert to fraction form
79,833.19/110,166.04 = 45,818.05/x - Step 3: Cross multiply
79,833.19x = 110,166.04 × 45,818.05 - Step 4: Simplify right side
79,833.19x = 5,047,593,129.02 - Step 5: Solve for x
x = 5,047,593,129.02/79,833.19 - Step 6: Final answer
x = 63,226.75
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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.