Finding the Fourth Proportional to 75,358.22, 113,037.34 and 28,611.12
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Solution
The fourth proportional to 75,358.22, 113,037.34 and 28,611.12 is: 42,916.68
Step by Step Solution
- Step 1: Write the proportion equation
75,358.22 : 113,037.34 = 28,611.12 : x - Step 2: Convert to fraction form
75,358.22/113,037.34 = 28,611.12/x - Step 3: Cross multiply
75,358.22x = 113,037.34 × 28,611.12 - Step 4: Simplify right side
75,358.22x = 3,234,124,899.22 - Step 5: Solve for x
x = 3,234,124,899.22/75,358.22 - Step 6: Final answer
x = 42,916.68
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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.