Finding the Fourth Proportional to 75,475.74, 113,207.09 and 25,554.74
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Solution
The fourth proportional to 75,475.74, 113,207.09 and 25,554.74 is: 38,329.89
Step by Step Solution
- Step 1: Write the proportion equation
75,475.74 : 113,207.09 = 25,554.74 : x - Step 2: Convert to fraction form
75,475.74/113,207.09 = 25,554.74/x - Step 3: Cross multiply
75,475.74x = 113,207.09 × 25,554.74 - Step 4: Simplify right side
75,475.74x = 2,892,977,057.30 - Step 5: Solve for x
x = 2,892,977,057.30/75,475.74 - Step 6: Final answer
x = 38,329.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.