Finding the Fourth Proportional to 97,745.99, 134,903.97 and 61,939.35
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Solution
The fourth proportional to 97,745.99, 134,903.97 and 61,939.35 is: 85,485.50
Step by Step Solution
- Step 1: Write the proportion equation
97,745.99 : 134,903.97 = 61,939.35 : x - Step 2: Convert to fraction form
97,745.99/134,903.97 = 61,939.35/x - Step 3: Cross multiply
97,745.99x = 134,903.97 × 61,939.35 - Step 4: Simplify right side
97,745.99x = 8,355,864,214.22 - Step 5: Solve for x
x = 8,355,864,214.22/97,745.99 - Step 6: Final answer
x = 85,485.50
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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.