Finding the Fourth Proportional to 75,518.01, 104,221.50 and 41,532.49
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Solution
The fourth proportional to 75,518.01, 104,221.50 and 41,532.49 is: 57,318.48
Step by Step Solution
- Step 1: Write the proportion equation
75,518.01 : 104,221.50 = 41,532.49 : x - Step 2: Convert to fraction form
75,518.01/104,221.50 = 41,532.49/x - Step 3: Cross multiply
75,518.01x = 104,221.50 × 41,532.49 - Step 4: Simplify right side
75,518.01x = 4,328,577,677.77 - Step 5: Solve for x
x = 4,328,577,677.77/75,518.01 - Step 6: Final answer
x = 57,318.48
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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.