Finding the Fourth Proportional to 69,577.22, 104,372.66 and 19,657.70
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Solution
The fourth proportional to 69,577.22, 104,372.66 and 19,657.70 is: 29,488.49
Step by Step Solution
- Step 1: Write the proportion equation
69,577.22 : 104,372.66 = 19,657.70 : x - Step 2: Convert to fraction form
69,577.22/104,372.66 = 19,657.70/x - Step 3: Cross multiply
69,577.22x = 104,372.66 × 19,657.70 - Step 4: Simplify right side
69,577.22x = 2,051,726,944.26 - Step 5: Solve for x
x = 2,051,726,944.26/69,577.22 - Step 6: Final answer
x = 29,488.49
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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.