Finding the Fourth Proportional to 67,319.97, 100,998.68 and 29,372.55
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Solution
The fourth proportional to 67,319.97, 100,998.68 and 29,372.55 is: 44,066.99
Step by Step Solution
- Step 1: Write the proportion equation
67,319.97 : 100,998.68 = 29,372.55 : x - Step 2: Convert to fraction form
67,319.97/100,998.68 = 29,372.55/x - Step 3: Cross multiply
67,319.97x = 100,998.68 × 29,372.55 - Step 4: Simplify right side
67,319.97x = 2,966,588,631.37 - Step 5: Solve for x
x = 2,966,588,631.37/67,319.97 - Step 6: Final answer
x = 44,066.99
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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.