Finding the Fourth Proportional to 67,293.92, 100,970.40 and 27,860
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Solution
The fourth proportional to 67,293.92, 100,970.40 and 27,860 is: 41,802.22
Step by Step Solution
- Step 1: Write the proportion equation
67,293.92 : 100,970.40 = 27,860 : x - Step 2: Convert to fraction form
67,293.92/100,970.40 = 27,860/x - Step 3: Cross multiply
67,293.92x = 100,970.40 × 27,860 - Step 4: Simplify right side
67,293.92x = 2,813,035,344 - Step 5: Solve for x
x = 2,813,035,344/67,293.92 - Step 6: Final answer
x = 41,802.22
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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.