Finding the Fourth Proportional to 74,995.28, 103,495.12 and 44,774.97
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Solution
The fourth proportional to 74,995.28, 103,495.12 and 44,774.97 is: 61,790.43
Step by Step Solution
- Step 1: Write the proportion equation
74,995.28 : 103,495.12 = 44,774.97 : x - Step 2: Convert to fraction form
74,995.28/103,495.12 = 44,774.97/x - Step 3: Cross multiply
74,995.28x = 103,495.12 × 44,774.97 - Step 4: Simplify right side
74,995.28x = 4,633,990,893.15 - Step 5: Solve for x
x = 4,633,990,893.15/74,995.28 - Step 6: Final answer
x = 61,790.43
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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.