Finding the Fourth Proportional to 69,628.74, 104,348.76 and 50,820.54
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Solution
The fourth proportional to 69,628.74, 104,348.76 and 50,820.54 is: 76,161.95
Step by Step Solution
- Step 1: Write the proportion equation
69,628.74 : 104,348.76 = 50,820.54 : x - Step 2: Convert to fraction form
69,628.74/104,348.76 = 50,820.54/x - Step 3: Cross multiply
69,628.74x = 104,348.76 × 50,820.54 - Step 4: Simplify right side
69,628.74x = 5,303,060,331.53 - Step 5: Solve for x
x = 5,303,060,331.53/69,628.74 - Step 6: Final answer
x = 76,161.95
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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.