Finding the Fourth Proportional to 87,576.04, 120,832.68 and 53,572.08
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Solution
The fourth proportional to 87,576.04, 120,832.68 and 53,572.08 is: 73,915.86
Step by Step Solution
- Step 1: Write the proportion equation
87,576.04 : 120,832.68 = 53,572.08 : x - Step 2: Convert to fraction form
87,576.04/120,832.68 = 53,572.08/x - Step 3: Cross multiply
87,576.04x = 120,832.68 × 53,572.08 - Step 4: Simplify right side
87,576.04x = 6,473,257,999.57 - Step 5: Solve for x
x = 6,473,257,999.57/87,576.04 - Step 6: Final answer
x = 73,915.86
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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.