Finding the Fourth Proportional to 74,772.15, 103,181.92 and 44,556.79
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Solution
The fourth proportional to 74,772.15, 103,181.92 and 44,556.79 is: 61,486.20
Step by Step Solution
- Step 1: Write the proportion equation
74,772.15 : 103,181.92 = 44,556.79 : x - Step 2: Convert to fraction form
74,772.15/103,181.92 = 44,556.79/x - Step 3: Cross multiply
74,772.15x = 103,181.92 × 44,556.79 - Step 4: Simplify right side
74,772.15x = 4,597,455,141.24 - Step 5: Solve for x
x = 4,597,455,141.24/74,772.15 - Step 6: Final answer
x = 61,486.20
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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.