Finding the Fourth Proportional to 86,006.76, 129,000.11 and 22,831.79
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Solution
The fourth proportional to 86,006.76, 129,000.11 and 22,831.79 is: 34,245.02
Step by Step Solution
- Step 1: Write the proportion equation
86,006.76 : 129,000.11 = 22,831.79 : x - Step 2: Convert to fraction form
86,006.76/129,000.11 = 22,831.79/x - Step 3: Cross multiply
86,006.76x = 129,000.11 × 22,831.79 - Step 4: Simplify right side
86,006.76x = 2,945,302,662.34 - Step 5: Solve for x
x = 2,945,302,662.34/86,006.76 - Step 6: Final answer
x = 34,245.02
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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.