Finding the Fourth Proportional to 74,272.11, 102,508.62 and 44,074.09
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Solution
The fourth proportional to 74,272.11, 102,508.62 and 44,074.09 is: 60,830.01
Step by Step Solution
- Step 1: Write the proportion equation
74,272.11 : 102,508.62 = 44,074.09 : x - Step 2: Convert to fraction form
74,272.11/102,508.62 = 44,074.09/x - Step 3: Cross multiply
74,272.11x = 102,508.62 × 44,074.09 - Step 4: Simplify right side
74,272.11x = 4,517,973,829.00 - Step 5: Solve for x
x = 4,517,973,829.00/74,272.11 - Step 6: Final answer
x = 60,830.01
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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.