Finding the Fourth Proportional to 69,218.24, 103,794.85 and 41,142.02
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Solution
The fourth proportional to 69,218.24, 103,794.85 and 41,142.02 is: 61,693.70
Step by Step Solution
- Step 1: Write the proportion equation
69,218.24 : 103,794.85 = 41,142.02 : x - Step 2: Convert to fraction form
69,218.24/103,794.85 = 41,142.02/x - Step 3: Cross multiply
69,218.24x = 103,794.85 × 41,142.02 - Step 4: Simplify right side
69,218.24x = 4,270,329,327.05 - Step 5: Solve for x
x = 4,270,329,327.05/69,218.24 - Step 6: Final answer
x = 61,693.70
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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.