Finding the Fourth Proportional to 75,168.84, 112,770.68 and 21,862.08
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Solution
The fourth proportional to 75,168.84, 112,770.68 and 21,862.08 is: 32,798.18
Step by Step Solution
- Step 1: Write the proportion equation
75,168.84 : 112,770.68 = 21,862.08 : x - Step 2: Convert to fraction form
75,168.84/112,770.68 = 21,862.08/x - Step 3: Cross multiply
75,168.84x = 112,770.68 × 21,862.08 - Step 4: Simplify right side
75,168.84x = 2,465,401,324.31 - Step 5: Solve for x
x = 2,465,401,324.31/75,168.84 - Step 6: Final answer
x = 32,798.18
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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.