Finding the Fourth Proportional to 75,219.05, 103,849.56 and 48,408.26
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Solution
The fourth proportional to 75,219.05, 103,849.56 and 48,408.26 is: 66,833.81
Step by Step Solution
- Step 1: Write the proportion equation
75,219.05 : 103,849.56 = 48,408.26 : x - Step 2: Convert to fraction form
75,219.05/103,849.56 = 48,408.26/x - Step 3: Cross multiply
75,219.05x = 103,849.56 × 48,408.26 - Step 4: Simplify right side
75,219.05x = 5,027,175,982.12 - Step 5: Solve for x
x = 5,027,175,982.12/75,219.05 - Step 6: Final answer
x = 66,833.81
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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.