Finding the Fourth Proportional to 67,370.13, 101,043.68 and 19,984.14
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Solution
The fourth proportional to 67,370.13, 101,043.68 and 19,984.14 is: 29,972.79
Step by Step Solution
- Step 1: Write the proportion equation
67,370.13 : 101,043.68 = 19,984.14 : x - Step 2: Convert to fraction form
67,370.13/101,043.68 = 19,984.14/x - Step 3: Cross multiply
67,370.13x = 101,043.68 × 19,984.14 - Step 4: Simplify right side
67,370.13x = 2,019,270,947.31 - Step 5: Solve for x
x = 2,019,270,947.31/67,370.13 - Step 6: Final answer
x = 29,972.79
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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.