Finding the Fourth Proportional to 75,070.08, 112,553.20 and 37,589.76
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Solution
The fourth proportional to 75,070.08, 112,553.20 and 37,589.76 is: 56,358.64
Step by Step Solution
- Step 1: Write the proportion equation
75,070.08 : 112,553.20 = 37,589.76 : x - Step 2: Convert to fraction form
75,070.08/112,553.20 = 37,589.76/x - Step 3: Cross multiply
75,070.08x = 112,553.20 × 37,589.76 - Step 4: Simplify right side
75,070.08x = 4,230,847,775.23 - Step 5: Solve for x
x = 4,230,847,775.23/75,070.08 - Step 6: Final answer
x = 56,358.64
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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.