Finding the Fourth Proportional to 67,734.99, 101,565.45 and 53,784.63
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Solution
The fourth proportional to 67,734.99, 101,565.45 and 53,784.63 is: 80,647.54
Step by Step Solution
- Step 1: Write the proportion equation
67,734.99 : 101,565.45 = 53,784.63 : x - Step 2: Convert to fraction form
67,734.99/101,565.45 = 53,784.63/x - Step 3: Cross multiply
67,734.99x = 101,565.45 × 53,784.63 - Step 4: Simplify right side
67,734.99x = 5,462,660,149.03 - Step 5: Solve for x
x = 5,462,660,149.03/67,734.99 - Step 6: Final answer
x = 80,647.54
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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.