Finding the Fourth Proportional to 74,660.04, 103,161.92 and 59,676.26
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Solution
The fourth proportional to 74,660.04, 103,161.92 and 59,676.26 is: 82,457.99
Step by Step Solution
- Step 1: Write the proportion equation
74,660.04 : 103,161.92 = 59,676.26 : x - Step 2: Convert to fraction form
74,660.04/103,161.92 = 59,676.26/x - Step 3: Cross multiply
74,660.04x = 103,161.92 × 59,676.26 - Step 4: Simplify right side
74,660.04x = 6,156,316,745.83 - Step 5: Solve for x
x = 6,156,316,745.83/74,660.04 - Step 6: Final answer
x = 82,457.99
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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.