Finding the Fourth Proportional to 68,038.26, 102,034.68 and 28,588.02
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Solution
The fourth proportional to 68,038.26, 102,034.68 and 28,588.02 is: 42,872.49
Step by Step Solution
- Step 1: Write the proportion equation
68,038.26 : 102,034.68 = 28,588.02 : x - Step 2: Convert to fraction form
68,038.26/102,034.68 = 28,588.02/x - Step 3: Cross multiply
68,038.26x = 102,034.68 × 28,588.02 - Step 4: Simplify right side
68,038.26x = 2,916,969,472.53 - Step 5: Solve for x
x = 2,916,969,472.53/68,038.26 - Step 6: Final answer
x = 42,872.49
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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.