Finding the Fourth Proportional to 115,106.58, 172,683.36 and 48,546.72
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Solution
The fourth proportional to 115,106.58, 172,683.36 and 48,546.72 is: 72,829.99
Step by Step Solution
- Step 1: Write the proportion equation
115,106.58 : 172,683.36 = 48,546.72 : x - Step 2: Convert to fraction form
115,106.58/172,683.36 = 48,546.72/x - Step 3: Cross multiply
115,106.58x = 172,683.36 × 48,546.72 - Step 4: Simplify right side
115,106.58x = 8,383,210,726.58 - Step 5: Solve for x
x = 8,383,210,726.58/115,106.58 - Step 6: Final answer
x = 72,829.99
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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.