Finding the Fourth Proportional to 79,601.33, 119,414.30 and 29,688.53
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Solution
The fourth proportional to 79,601.33, 119,414.30 and 29,688.53 is: 44,537.38
Step by Step Solution
- Step 1: Write the proportion equation
79,601.33 : 119,414.30 = 29,688.53 : x - Step 2: Convert to fraction form
79,601.33/119,414.30 = 29,688.53/x - Step 3: Cross multiply
79,601.33x = 119,414.30 × 29,688.53 - Step 4: Simplify right side
79,601.33x = 3,545,234,449.46 - Step 5: Solve for x
x = 3,545,234,449.46/79,601.33 - Step 6: Final answer
x = 44,537.38
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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.