Finding the Fourth Proportional to 75,105.41, 103,638.43 and 44,884.71
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Solution
The fourth proportional to 75,105.41, 103,638.43 and 44,884.71 is: 61,936.70
Step by Step Solution
- Step 1: Write the proportion equation
75,105.41 : 103,638.43 = 44,884.71 : x - Step 2: Convert to fraction form
75,105.41/103,638.43 = 44,884.71/x - Step 3: Cross multiply
75,105.41x = 103,638.43 × 44,884.71 - Step 4: Simplify right side
75,105.41x = 4,651,780,875.41 - Step 5: Solve for x
x = 4,651,780,875.41/75,105.41 - Step 6: Final answer
x = 61,936.70
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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.