Finding the Fourth Proportional to 89,612.56, 134,438.34 and 27,281.44
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Solution
The fourth proportional to 89,612.56, 134,438.34 and 27,281.44 is: 40,928.09
Step by Step Solution
- Step 1: Write the proportion equation
89,612.56 : 134,438.34 = 27,281.44 : x - Step 2: Convert to fraction form
89,612.56/134,438.34 = 27,281.44/x - Step 3: Cross multiply
89,612.56x = 134,438.34 × 27,281.44 - Step 4: Simplify right side
89,612.56x = 3,667,670,834.22 - Step 5: Solve for x
x = 3,667,670,834.22/89,612.56 - Step 6: Final answer
x = 40,928.09
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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.