Finding the Fourth Proportional to 70,912.26, 106,386.84 and 26,542.50
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Solution
The fourth proportional to 70,912.26, 106,386.84 and 26,542.50 is: 39,820.66
Step by Step Solution
- Step 1: Write the proportion equation
70,912.26 : 106,386.84 = 26,542.50 : x - Step 2: Convert to fraction form
70,912.26/106,386.84 = 26,542.50/x - Step 3: Cross multiply
70,912.26x = 106,386.84 × 26,542.50 - Step 4: Simplify right side
70,912.26x = 2,823,772,700.70 - Step 5: Solve for x
x = 2,823,772,700.70/70,912.26 - Step 6: Final answer
x = 39,820.66
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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.