Finding the Fourth Proportional to 67,930.74, 101,902.59 and 26,380.98
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Solution
The fourth proportional to 67,930.74, 101,902.59 and 26,380.98 is: 39,573.99
Step by Step Solution
- Step 1: Write the proportion equation
67,930.74 : 101,902.59 = 26,380.98 : x - Step 2: Convert to fraction form
67,930.74/101,902.59 = 26,380.98/x - Step 3: Cross multiply
67,930.74x = 101,902.59 × 26,380.98 - Step 4: Simplify right side
67,930.74x = 2,688,290,188.74 - Step 5: Solve for x
x = 2,688,290,188.74/67,930.74 - Step 6: Final answer
x = 39,573.99
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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.