Finding the Fourth Proportional to 75,035.10, 112,511.09 and 30,692.99
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Solution
The fourth proportional to 75,035.10, 112,511.09 and 30,692.99 is: 46,022.48
Step by Step Solution
- Step 1: Write the proportion equation
75,035.10 : 112,511.09 = 30,692.99 : x - Step 2: Convert to fraction form
75,035.10/112,511.09 = 30,692.99/x - Step 3: Cross multiply
75,035.10x = 112,511.09 × 30,692.99 - Step 4: Simplify right side
75,035.10x = 3,453,301,197.70 - Step 5: Solve for x
x = 3,453,301,197.70/75,035.10 - Step 6: Final answer
x = 46,022.48
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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.