Finding the Fourth Proportional to 75,633.05, 104,364.56 and 43,797.62
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Solution
The fourth proportional to 75,633.05, 104,364.56 and 43,797.62 is: 60,435.47
Step by Step Solution
- Step 1: Write the proportion equation
75,633.05 : 104,364.56 = 43,797.62 : x - Step 2: Convert to fraction form
75,633.05/104,364.56 = 43,797.62/x - Step 3: Cross multiply
75,633.05x = 104,364.56 × 43,797.62 - Step 4: Simplify right side
75,633.05x = 4,570,918,599.54 - Step 5: Solve for x
x = 4,570,918,599.54/75,633.05 - Step 6: Final answer
x = 60,435.47
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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.