Finding the Fourth Proportional to 79,818.21, 110,147.81 and 44,011.53
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Solution
The fourth proportional to 79,818.21, 110,147.81 and 44,011.53 is: 60,735.18
Step by Step Solution
- Step 1: Write the proportion equation
79,818.21 : 110,147.81 = 44,011.53 : x - Step 2: Convert to fraction form
79,818.21/110,147.81 = 44,011.53/x - Step 3: Cross multiply
79,818.21x = 110,147.81 × 44,011.53 - Step 4: Simplify right side
79,818.21x = 4,847,773,424.19 - Step 5: Solve for x
x = 4,847,773,424.19/79,818.21 - Step 6: Final answer
x = 60,735.18
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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.