Finding the Fourth Proportional to 87,325.56, 120,502.08 and 51,517.08
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Solution
The fourth proportional to 87,325.56, 120,502.08 and 51,517.08 is: 71,089.33
Step by Step Solution
- Step 1: Write the proportion equation
87,325.56 : 120,502.08 = 51,517.08 : x - Step 2: Convert to fraction form
87,325.56/120,502.08 = 51,517.08/x - Step 3: Cross multiply
87,325.56x = 120,502.08 × 51,517.08 - Step 4: Simplify right side
87,325.56x = 6,207,915,295.53 - Step 5: Solve for x
x = 6,207,915,295.53/87,325.56 - Step 6: Final answer
x = 71,089.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.