Finding the Fourth Proportional to 84,054.68, 125,941.90 and 69,107.92
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Solution
The fourth proportional to 84,054.68, 125,941.90 and 69,107.92 is: 103,546.68
Step by Step Solution
- Step 1: Write the proportion equation
84,054.68 : 125,941.90 = 69,107.92 : x - Step 2: Convert to fraction form
84,054.68/125,941.90 = 69,107.92/x - Step 3: Cross multiply
84,054.68x = 125,941.90 × 69,107.92 - Step 4: Simplify right side
84,054.68x = 8,703,582,749.85 - Step 5: Solve for x
x = 8,703,582,749.85/84,054.68 - Step 6: Final answer
x = 103,546.68
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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.