Finding the Fourth Proportional to 68,160.08, 102,253.95 and 28,717.19
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Solution
The fourth proportional to 68,160.08, 102,253.95 and 28,717.19 is: 43,081.62
Step by Step Solution
- Step 1: Write the proportion equation
68,160.08 : 102,253.95 = 28,717.19 : x - Step 2: Convert to fraction form
68,160.08/102,253.95 = 28,717.19/x - Step 3: Cross multiply
68,160.08x = 102,253.95 × 28,717.19 - Step 4: Simplify right side
68,160.08x = 2,936,446,165.54 - Step 5: Solve for x
x = 2,936,446,165.54/68,160.08 - Step 6: Final answer
x = 43,081.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.