Finding the Fourth Proportional to 75,336.10, 103,956.94 and 44,703.91
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Solution
The fourth proportional to 75,336.10, 103,956.94 and 44,703.91 is: 61,687.32
Step by Step Solution
- Step 1: Write the proportion equation
75,336.10 : 103,956.94 = 44,703.91 : x - Step 2: Convert to fraction form
75,336.10/103,956.94 = 44,703.91/x - Step 3: Cross multiply
75,336.10x = 103,956.94 × 44,703.91 - Step 4: Simplify right side
75,336.10x = 4,647,281,466.12 - Step 5: Solve for x
x = 4,647,281,466.12/75,336.10 - Step 6: Final answer
x = 61,687.32
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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.