Finding the Fourth Proportional to 75,044.68, 103,512.53 and 44,806.37
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Solution
The fourth proportional to 75,044.68, 103,512.53 and 44,806.37 is: 61,803.45
Step by Step Solution
- Step 1: Write the proportion equation
75,044.68 : 103,512.53 = 44,806.37 : x - Step 2: Convert to fraction form
75,044.68/103,512.53 = 44,806.37/x - Step 3: Cross multiply
75,044.68x = 103,512.53 × 44,806.37 - Step 4: Simplify right side
75,044.68x = 4,638,020,313.27 - Step 5: Solve for x
x = 4,638,020,313.27/75,044.68 - Step 6: Final answer
x = 61,803.45
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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.