Finding the Fourth Proportional to 89,040.24, 122,833.80 and 51,292.62
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Solution
The fourth proportional to 89,040.24, 122,833.80 and 51,292.62 is: 70,759.78
Step by Step Solution
- Step 1: Write the proportion equation
89,040.24 : 122,833.80 = 51,292.62 : x - Step 2: Convert to fraction form
89,040.24/122,833.80 = 51,292.62/x - Step 3: Cross multiply
89,040.24x = 122,833.80 × 51,292.62 - Step 4: Simplify right side
89,040.24x = 6,300,467,426.56 - Step 5: Solve for x
x = 6,300,467,426.56/89,040.24 - Step 6: Final answer
x = 70,759.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.