Finding the Fourth Proportional to 75,730.70, 104,504.10 and 41,739.09
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Solution
The fourth proportional to 75,730.70, 104,504.10 and 41,739.09 is: 57,597.59
Step by Step Solution
- Step 1: Write the proportion equation
75,730.70 : 104,504.10 = 41,739.09 : x - Step 2: Convert to fraction form
75,730.70/104,504.10 = 41,739.09/x - Step 3: Cross multiply
75,730.70x = 104,504.10 × 41,739.09 - Step 4: Simplify right side
75,730.70x = 4,361,906,035.27 - Step 5: Solve for x
x = 4,361,906,035.27/75,730.70 - Step 6: Final answer
x = 57,597.59
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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.