Finding the Fourth Proportional to 84,343.52, 126,536.06 and 59,432.23
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Solution
The fourth proportional to 84,343.52, 126,536.06 and 59,432.23 is: 89,162.99
Step by Step Solution
- Step 1: Write the proportion equation
84,343.52 : 126,536.06 = 59,432.23 : x - Step 2: Convert to fraction form
84,343.52/126,536.06 = 59,432.23/x - Step 3: Cross multiply
84,343.52x = 126,536.06 × 59,432.23 - Step 4: Simplify right side
84,343.52x = 7,520,320,527.96 - Step 5: Solve for x
x = 7,520,320,527.96/84,343.52 - Step 6: Final answer
x = 89,162.99
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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.