Finding the Fourth Proportional to 92,049.99, 138,076.69 and 28,868.70
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Solution
The fourth proportional to 92,049.99, 138,076.69 and 28,868.70 is: 43,303.58
Step by Step Solution
- Step 1: Write the proportion equation
92,049.99 : 138,076.69 = 28,868.70 : x - Step 2: Convert to fraction form
92,049.99/138,076.69 = 28,868.70/x - Step 3: Cross multiply
92,049.99x = 138,076.69 × 28,868.70 - Step 4: Simplify right side
92,049.99x = 3,986,094,540.60 - Step 5: Solve for x
x = 3,986,094,540.60/92,049.99 - Step 6: Final answer
x = 43,303.58
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1.5x scale
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.