Finding the Fourth Proportional to 88,817.55, 122,564.57 and 48,532.70
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Solution
The fourth proportional to 88,817.55, 122,564.57 and 48,532.70 is: 66,973.12
Step by Step Solution
- Step 1: Write the proportion equation
88,817.55 : 122,564.57 = 48,532.70 : x - Step 2: Convert to fraction form
88,817.55/122,564.57 = 48,532.70/x - Step 3: Cross multiply
88,817.55x = 122,564.57 × 48,532.70 - Step 4: Simplify right side
88,817.55x = 5,948,388,650.95 - Step 5: Solve for x
x = 5,948,388,650.95/88,817.55 - Step 6: Final answer
x = 66,973.12
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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.