Finding the Fourth Proportional to 74,641.24, 102,998.13 and 44,421.68
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Solution
The fourth proportional to 74,641.24, 102,998.13 and 44,421.68 is: 61,297.89
Step by Step Solution
- Step 1: Write the proportion equation
74,641.24 : 102,998.13 = 44,421.68 : x - Step 2: Convert to fraction form
74,641.24/102,998.13 = 44,421.68/x - Step 3: Cross multiply
74,641.24x = 102,998.13 × 44,421.68 - Step 4: Simplify right side
74,641.24x = 4,575,350,228.95 - Step 5: Solve for x
x = 4,575,350,228.95/74,641.24 - Step 6: Final answer
x = 61,297.89
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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.