Finding the Fourth Proportional to 68,801.80, 103,202.70 and 41,153.80
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Solution
The fourth proportional to 68,801.80, 103,202.70 and 41,153.80 is: 61,730.70
Step by Step Solution
- Step 1: Write the proportion equation
68,801.80 : 103,202.70 = 41,153.80 : x - Step 2: Convert to fraction form
68,801.80/103,202.70 = 41,153.80/x - Step 3: Cross multiply
68,801.80x = 103,202.70 × 41,153.80 - Step 4: Simplify right side
68,801.80x = 4,247,183,275.26 - Step 5: Solve for x
x = 4,247,183,275.26/68,801.80 - Step 6: Final answer
x = 61,730.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.