Finding the Fourth Proportional to 75,140.84, 103,696.08 and 41,150.96
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Solution
The fourth proportional to 75,140.84, 103,696.08 and 41,150.96 is: 56,789.27
Step by Step Solution
- Step 1: Write the proportion equation
75,140.84 : 103,696.08 = 41,150.96 : x - Step 2: Convert to fraction form
75,140.84/103,696.08 = 41,150.96/x - Step 3: Cross multiply
75,140.84x = 103,696.08 × 41,150.96 - Step 4: Simplify right side
75,140.84x = 4,267,193,240.24 - Step 5: Solve for x
x = 4,267,193,240.24/75,140.84 - Step 6: Final answer
x = 56,789.27
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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.