Finding the Fourth Proportional to 75,598.92, 104,313.06 and 43,766.28
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Solution
The fourth proportional to 75,598.92, 104,313.06 and 43,766.28 is: 60,389.68
Step by Step Solution
- Step 1: Write the proportion equation
75,598.92 : 104,313.06 = 43,766.28 : x - Step 2: Convert to fraction form
75,598.92/104,313.06 = 43,766.28/x - Step 3: Cross multiply
75,598.92x = 104,313.06 × 43,766.28 - Step 4: Simplify right side
75,598.92x = 4,565,394,591.62 - Step 5: Solve for x
x = 4,565,394,591.62/75,598.92 - Step 6: Final answer
x = 60,389.68
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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.