Finding the Fourth Proportional to 75,415.58, 104,122.25 and 46,765.68
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Solution
The fourth proportional to 75,415.58, 104,122.25 and 46,765.68 is: 64,566.87
Step by Step Solution
- Step 1: Write the proportion equation
75,415.58 : 104,122.25 = 46,765.68 : x - Step 2: Convert to fraction form
75,415.58/104,122.25 = 46,765.68/x - Step 3: Cross multiply
75,415.58x = 104,122.25 × 46,765.68 - Step 4: Simplify right side
75,415.58x = 4,869,347,824.38 - Step 5: Solve for x
x = 4,869,347,824.38/75,415.58 - Step 6: Final answer
x = 64,566.87
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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.