Finding the Fourth Proportional to 84,559.17, 126,824.58 and 28,392.96
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Solution
The fourth proportional to 84,559.17, 126,824.58 and 28,392.96 is: 42,584.68
Step by Step Solution
- Step 1: Write the proportion equation
84,559.17 : 126,824.58 = 28,392.96 : x - Step 2: Convert to fraction form
84,559.17/126,824.58 = 28,392.96/x - Step 3: Cross multiply
84,559.17x = 126,824.58 × 28,392.96 - Step 4: Simplify right side
84,559.17x = 3,600,925,226.96 - Step 5: Solve for x
x = 3,600,925,226.96/84,559.17 - Step 6: Final answer
x = 42,584.68
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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.