Finding the Fourth Proportional to 106,374.75, 159,589.47 and 39,815.84
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Solution
The fourth proportional to 106,374.75, 159,589.47 and 39,815.84 is: 59,733.99
Step by Step Solution
- Step 1: Write the proportion equation
106,374.75 : 159,589.47 = 39,815.84 : x - Step 2: Convert to fraction form
106,374.75/159,589.47 = 39,815.84/x - Step 3: Cross multiply
106,374.75x = 159,589.47 × 39,815.84 - Step 4: Simplify right side
106,374.75x = 6,354,188,005.26 - Step 5: Solve for x
x = 6,354,188,005.26/106,374.75 - Step 6: Final answer
x = 59,733.99
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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.