Finding the Fourth Proportional to 97,884.55, 135,048.55 and 54,857.75
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Solution
The fourth proportional to 97,884.55, 135,048.55 and 54,857.75 is: 75,685.69
Step by Step Solution
- Step 1: Write the proportion equation
97,884.55 : 135,048.55 = 54,857.75 : x - Step 2: Convert to fraction form
97,884.55/135,048.55 = 54,857.75/x - Step 3: Cross multiply
97,884.55x = 135,048.55 × 54,857.75 - Step 4: Simplify right side
97,884.55x = 7,408,459,456.62 - Step 5: Solve for x
x = 7,408,459,456.62/97,884.55 - Step 6: Final answer
x = 75,685.69
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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.