Finding the Fourth Proportional to 75,611.40, 113,417.10 and 33,511.65
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Solution
The fourth proportional to 75,611.40, 113,417.10 and 33,511.65 is: 50,267.48
Step by Step Solution
- Step 1: Write the proportion equation
75,611.40 : 113,417.10 = 33,511.65 : x - Step 2: Convert to fraction form
75,611.40/113,417.10 = 33,511.65/x - Step 3: Cross multiply
75,611.40x = 113,417.10 × 33,511.65 - Step 4: Simplify right side
75,611.40x = 3,800,794,159.22 - Step 5: Solve for x
x = 3,800,794,159.22/75,611.40 - Step 6: Final answer
x = 50,267.48
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Similar ratio
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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.