Finding the Fourth Proportional to 88,530.20, 122,171.68 and 48,243.95
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Solution
The fourth proportional to 88,530.20, 122,171.68 and 48,243.95 is: 66,576.65
Step by Step Solution
- Step 1: Write the proportion equation
88,530.20 : 122,171.68 = 48,243.95 : x - Step 2: Convert to fraction form
88,530.20/122,171.68 = 48,243.95/x - Step 3: Cross multiply
88,530.20x = 122,171.68 × 48,243.95 - Step 4: Simplify right side
88,530.20x = 5,894,044,421.34 - Step 5: Solve for x
x = 5,894,044,421.34/88,530.20 - Step 6: Final answer
x = 66,576.65
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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.