Finding the Fourth Proportional to 75,135.60, 103,676.28 and 41,601.52
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Solution
The fourth proportional to 75,135.60, 103,676.28 and 41,601.52 is: 57,404.09
Step by Step Solution
- Step 1: Write the proportion equation
75,135.60 : 103,676.28 = 41,601.52 : x - Step 2: Convert to fraction form
75,135.60/103,676.28 = 41,601.52/x - Step 3: Cross multiply
75,135.60x = 103,676.28 × 41,601.52 - Step 4: Simplify right side
75,135.60x = 4,313,090,835.95 - Step 5: Solve for x
x = 4,313,090,835.95/75,135.60 - Step 6: Final answer
x = 57,404.09
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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.