Finding the Fourth Proportional to 69,930.24, 104,905.68 and 25,546.62
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Solution
The fourth proportional to 69,930.24, 104,905.68 and 25,546.62 is: 38,323.70
Step by Step Solution
- Step 1: Write the proportion equation
69,930.24 : 104,905.68 = 25,546.62 : x - Step 2: Convert to fraction form
69,930.24/104,905.68 = 25,546.62/x - Step 3: Cross multiply
69,930.24x = 104,905.68 × 25,546.62 - Step 4: Simplify right side
69,930.24x = 2,679,985,542.80 - Step 5: Solve for x
x = 2,679,985,542.80/69,930.24 - Step 6: Final answer
x = 38,323.70
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1.5x scale
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.