Finding the Fourth Proportional to 79,821.04, 119,778.24 and 44,312.26
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Solution
The fourth proportional to 79,821.04, 119,778.24 and 44,312.26 is: 66,494.30
Step by Step Solution
- Step 1: Write the proportion equation
79,821.04 : 119,778.24 = 44,312.26 : x - Step 2: Convert to fraction form
79,821.04/119,778.24 = 44,312.26/x - Step 3: Cross multiply
79,821.04x = 119,778.24 × 44,312.26 - Step 4: Simplify right side
79,821.04x = 5,307,644,513.22 - Step 5: Solve for x
x = 5,307,644,513.22/79,821.04 - Step 6: Final answer
x = 66,494.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.