Finding the Fourth Proportional to 80,102.79, 110,540.70 and 44,292.02
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Solution
The fourth proportional to 80,102.79, 110,540.70 and 44,292.02 is: 61,122.34
Step by Step Solution
- Step 1: Write the proportion equation
80,102.79 : 110,540.70 = 44,292.02 : x - Step 2: Convert to fraction form
80,102.79/110,540.70 = 44,292.02/x - Step 3: Cross multiply
80,102.79x = 110,540.70 × 44,292.02 - Step 4: Simplify right side
80,102.79x = 4,896,070,342.51 - Step 5: Solve for x
x = 4,896,070,342.51/80,102.79 - Step 6: Final answer
x = 61,122.34
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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.