Finding the Fourth Proportional to 75,827.99, 104,626.40 and 43,566.56
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Solution
The fourth proportional to 75,827.99, 104,626.40 and 43,566.56 is: 60,112.53
Step by Step Solution
- Step 1: Write the proportion equation
75,827.99 : 104,626.40 = 43,566.56 : x - Step 2: Convert to fraction form
75,827.99/104,626.40 = 43,566.56/x - Step 3: Cross multiply
75,827.99x = 104,626.40 × 43,566.56 - Step 4: Simplify right side
75,827.99x = 4,558,212,333.18 - Step 5: Solve for x
x = 4,558,212,333.18/75,827.99 - Step 6: Final answer
x = 60,112.53
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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.