Finding the Fourth Proportional to 80,324.55, 110,848.77 and 44,515.26
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Solution
The fourth proportional to 80,324.55, 110,848.77 and 44,515.26 is: 61,431.55
Step by Step Solution
- Step 1: Write the proportion equation
80,324.55 : 110,848.77 = 44,515.26 : x - Step 2: Convert to fraction form
80,324.55/110,848.77 = 44,515.26/x - Step 3: Cross multiply
80,324.55x = 110,848.77 × 44,515.26 - Step 4: Simplify right side
80,324.55x = 4,934,461,817.23 - Step 5: Solve for x
x = 4,934,461,817.23/80,324.55 - Step 6: Final answer
x = 61,431.55
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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.