Finding the Fourth Proportional to 75,920.04, 104,782.49 and 44,107.40
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Solution
The fourth proportional to 75,920.04, 104,782.49 and 44,107.40 is: 60,875.66
Step by Step Solution
- Step 1: Write the proportion equation
75,920.04 : 104,782.49 = 44,107.40 : x - Step 2: Convert to fraction form
75,920.04/104,782.49 = 44,107.40/x - Step 3: Cross multiply
75,920.04x = 104,782.49 × 44,107.40 - Step 4: Simplify right side
75,920.04x = 4,621,682,454.98 - Step 5: Solve for x
x = 4,621,682,454.98/75,920.04 - Step 6: Final answer
x = 60,875.66
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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.