Finding the Fourth Proportional to 68,036.26, 102,031.68 and 28,586.02
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Solution
The fourth proportional to 68,036.26, 102,031.68 and 28,586.02 is: 42,869.49
Step by Step Solution
- Step 1: Write the proportion equation
68,036.26 : 102,031.68 = 28,586.02 : x - Step 2: Convert to fraction form
68,036.26/102,031.68 = 28,586.02/x - Step 3: Cross multiply
68,036.26x = 102,031.68 × 28,586.02 - Step 4: Simplify right side
68,036.26x = 2,916,679,645.11 - Step 5: Solve for x
x = 2,916,679,645.11/68,036.26 - Step 6: Final answer
x = 42,869.49
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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.