Finding the Fourth Proportional to 87,588.33, 120,871.87 and 47,302.08
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Solution
The fourth proportional to 87,588.33, 120,871.87 and 47,302.08 is: 65,276.85
Step by Step Solution
- Step 1: Write the proportion equation
87,588.33 : 120,871.87 = 47,302.08 : x - Step 2: Convert to fraction form
87,588.33/120,871.87 = 47,302.08/x - Step 3: Cross multiply
87,588.33x = 120,871.87 × 47,302.08 - Step 4: Simplify right side
87,588.33x = 5,717,490,023.62 - Step 5: Solve for x
x = 5,717,490,023.62/87,588.33 - Step 6: Final answer
x = 65,276.85
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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.