Finding the Fourth Proportional to 75,152.18, 103,711.17 and 41,160.05
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Solution
The fourth proportional to 75,152.18, 103,711.17 and 41,160.05 is: 56,801.50
Step by Step Solution
- Step 1: Write the proportion equation
75,152.18 : 103,711.17 = 41,160.05 : x - Step 2: Convert to fraction form
75,152.18/103,711.17 = 41,160.05/x - Step 3: Cross multiply
75,152.18x = 103,711.17 × 41,160.05 - Step 4: Simplify right side
75,152.18x = 4,268,756,424.20 - Step 5: Solve for x
x = 4,268,756,424.20/75,152.18 - Step 6: Final answer
x = 56,801.50
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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.