Finding the Fourth Proportional to 67,854.01, 101,620.12 and 53,768.75
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Solution
The fourth proportional to 67,854.01, 101,620.12 and 53,768.75 is: 80,525.63
Step by Step Solution
- Step 1: Write the proportion equation
67,854.01 : 101,620.12 = 53,768.75 : x - Step 2: Convert to fraction form
67,854.01/101,620.12 = 53,768.75/x - Step 3: Cross multiply
67,854.01x = 101,620.12 × 53,768.75 - Step 4: Simplify right side
67,854.01x = 5,463,986,827.25 - Step 5: Solve for x
x = 5,463,986,827.25/67,854.01 - Step 6: Final answer
x = 80,525.63
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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.