Finding the Fourth Proportional to 90,599.92, 125,027.58 and 50,312.68
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Solution
The fourth proportional to 90,599.92, 125,027.58 and 50,312.68 is: 69,431.33
Step by Step Solution
- Step 1: Write the proportion equation
90,599.92 : 125,027.58 = 50,312.68 : x - Step 2: Convert to fraction form
90,599.92/125,027.58 = 50,312.68/x - Step 3: Cross multiply
90,599.92x = 125,027.58 × 50,312.68 - Step 4: Simplify right side
90,599.92x = 6,290,472,499.82 - Step 5: Solve for x
x = 6,290,472,499.82/90,599.92 - Step 6: Final answer
x = 69,431.33
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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.