Finding the Fourth Proportional to 88,533.13, 122,175.72 and 48,789.13
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Solution
The fourth proportional to 88,533.13, 122,175.72 and 48,789.13 is: 67,328.99
Step by Step Solution
- Step 1: Write the proportion equation
88,533.13 : 122,175.72 = 48,789.13 : x - Step 2: Convert to fraction form
88,533.13/122,175.72 = 48,789.13/x - Step 3: Cross multiply
88,533.13x = 122,175.72 × 48,789.13 - Step 4: Simplify right side
88,533.13x = 5,960,846,231.10 - Step 5: Solve for x
x = 5,960,846,231.10/88,533.13 - Step 6: Final answer
x = 67,328.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.