Finding the Fourth Proportional to 106,529.65, 159,752.94 and 39,933.44
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Solution
The fourth proportional to 106,529.65, 159,752.94 and 39,933.44 is: 59,884.59
Step by Step Solution
- Step 1: Write the proportion equation
106,529.65 : 159,752.94 = 39,933.44 : x - Step 2: Convert to fraction form
106,529.65/159,752.94 = 39,933.44/x - Step 3: Cross multiply
106,529.65x = 159,752.94 × 39,933.44 - Step 4: Simplify right side
106,529.65x = 6,379,484,444.31 - Step 5: Solve for x
x = 6,379,484,444.31/106,529.65 - Step 6: Final answer
x = 59,884.59
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1.5x scale
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.