Finding the Fourth Proportional to 115,122.09, 172,706.49 and 48,562.44
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Solution
The fourth proportional to 115,122.09, 172,706.49 and 48,562.44 is: 72,853.51
Step by Step Solution
- Step 1: Write the proportion equation
115,122.09 : 172,706.49 = 48,562.44 : x - Step 2: Convert to fraction form
115,122.09/172,706.49 = 48,562.44/x - Step 3: Cross multiply
115,122.09x = 172,706.49 × 48,562.44 - Step 4: Simplify right side
115,122.09x = 8,387,048,558.24 - Step 5: Solve for x
x = 8,387,048,558.24/115,122.09 - Step 6: Final answer
x = 72,853.51
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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.