Finding the Fourth Proportional to 75,459.75, 104,134.86 and 41,925.75
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Solution
The fourth proportional to 75,459.75, 104,134.86 and 41,925.75 is: 57,857.76
Step by Step Solution
- Step 1: Write the proportion equation
75,459.75 : 104,134.86 = 41,925.75 : x - Step 2: Convert to fraction form
75,459.75/104,134.86 = 41,925.75/x - Step 3: Cross multiply
75,459.75x = 104,134.86 × 41,925.75 - Step 4: Simplify right side
75,459.75x = 4,365,932,106.65 - Step 5: Solve for x
x = 4,365,932,106.65/75,459.75 - Step 6: Final answer
x = 57,857.76
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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.