Finding the Fourth Proportional to 73,064.75, 100,829.36 and 39,530.75
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Solution
The fourth proportional to 73,064.75, 100,829.36 and 39,530.75 is: 54,552.44
Step by Step Solution
- Step 1: Write the proportion equation
73,064.75 : 100,829.36 = 39,530.75 : x - Step 2: Convert to fraction form
73,064.75/100,829.36 = 39,530.75/x - Step 3: Cross multiply
73,064.75x = 100,829.36 × 39,530.75 - Step 4: Simplify right side
73,064.75x = 3,985,860,025.17 - Step 5: Solve for x
x = 3,985,860,025.17/73,064.75 - Step 6: Final answer
x = 54,552.44
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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.