Finding the Fourth Proportional to 77,025.44, 106,238.24 and 48,703.68
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Solution
The fourth proportional to 77,025.44, 106,238.24 and 48,703.68 is: 67,175.12
Step by Step Solution
- Step 1: Write the proportion equation
77,025.44 : 106,238.24 = 48,703.68 : x - Step 2: Convert to fraction form
77,025.44/106,238.24 = 48,703.68/x - Step 3: Cross multiply
77,025.44x = 106,238.24 × 48,703.68 - Step 4: Simplify right side
77,025.44x = 5,174,193,244.72 - Step 5: Solve for x
x = 5,174,193,244.72/77,025.44 - Step 6: Final answer
x = 67,175.12
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1.5x scale
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.