Finding the Fourth Proportional to 74,319.14, 102,587.01 and 44,104.47
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Solution
The fourth proportional to 74,319.14, 102,587.01 and 44,104.47 is: 60,879.95
Step by Step Solution
- Step 1: Write the proportion equation
74,319.14 : 102,587.01 = 44,104.47 : x - Step 2: Convert to fraction form
74,319.14/102,587.01 = 44,104.47/x - Step 3: Cross multiply
74,319.14x = 102,587.01 × 44,104.47 - Step 4: Simplify right side
74,319.14x = 4,524,545,154.84 - Step 5: Solve for x
x = 4,524,545,154.84/74,319.14 - Step 6: Final answer
x = 60,879.95
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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.