Finding the Fourth Proportional to 90,318.52, 124,723.97 and 58,109.19
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Solution
The fourth proportional to 90,318.52, 124,723.97 and 58,109.19 is: 80,244.99
Step by Step Solution
- Step 1: Write the proportion equation
90,318.52 : 124,723.97 = 58,109.19 : x - Step 2: Convert to fraction form
90,318.52/124,723.97 = 58,109.19/x - Step 3: Cross multiply
90,318.52x = 124,723.97 × 58,109.19 - Step 4: Simplify right side
90,318.52x = 7,247,608,870.28 - Step 5: Solve for x
x = 7,247,608,870.28/90,318.52 - Step 6: Final answer
x = 80,244.99
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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.